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Finding the Fourth Proportional to 477,373.26, 716,060.78 and 122,388.52

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Solution

The fourth proportional to 477,373.26, 716,060.78 and 122,388.52 is: 183,583.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,373.26 : 716,060.78 = 122,388.52 : x
  2. Step 2: Convert to fraction form
    477,373.26/716,060.78 = 122,388.52/x
  3. Step 3: Cross multiply
    477,373.26x = 716,060.78 × 122,388.52
  4. Step 4: Simplify right side
    477,373.26x = 87,637,619,094.25
  5. Step 5: Solve for x
    x = 87,637,619,094.25/477,373.26
  6. Step 6: Final answer
    x = 183,583.01

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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.