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Finding the Fourth Proportional to 314,999.70, 472,499.55 and 182,139.45

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Solution

The fourth proportional to 314,999.70, 472,499.55 and 182,139.45 is: 273,209.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,999.70 : 472,499.55 = 182,139.45 : x
  2. Step 2: Convert to fraction form
    314,999.70/472,499.55 = 182,139.45/x
  3. Step 3: Cross multiply
    314,999.70x = 472,499.55 × 182,139.45
  4. Step 4: Simplify right side
    314,999.70x = 86,060,808,162.25
  5. Step 5: Solve for x
    x = 86,060,808,162.25/314,999.70
  6. Step 6: Final answer
    x = 273,209.18

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1.5x scale

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.