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Finding the Fourth Proportional to 521,131.40, 781,697.10 and 184,552.10

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Solution

The fourth proportional to 521,131.40, 781,697.10 and 184,552.10 is: 276,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,131.40 : 781,697.10 = 184,552.10 : x
  2. Step 2: Convert to fraction form
    521,131.40/781,697.10 = 184,552.10/x
  3. Step 3: Cross multiply
    521,131.40x = 781,697.10 × 184,552.10
  4. Step 4: Simplify right side
    521,131.40x = 144,263,841,368.91
  5. Step 5: Solve for x
    x = 144,263,841,368.91/521,131.40
  6. Step 6: Final answer
    x = 276,828.15

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.