Home / 316,403.28-474,530.13-116,615.16

Finding the Fourth Proportional to 316,403.28, 474,530.13 and 116,615.16

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Solution

The fourth proportional to 316,403.28, 474,530.13 and 116,615.16 is: 174,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,403.28 : 474,530.13 = 116,615.16 : x
  2. Step 2: Convert to fraction form
    316,403.28/474,530.13 = 116,615.16/x
  3. Step 3: Cross multiply
    316,403.28x = 474,530.13 × 116,615.16
  4. Step 4: Simplify right side
    316,403.28x = 55,337,407,034.77
  5. Step 5: Solve for x
    x = 55,337,407,034.77/316,403.28
  6. Step 6: Final answer
    x = 174,895.18

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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.