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Finding the Fourth Proportional to 334,333.76, 498,025.76 and 316,225.04

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Solution

The fourth proportional to 334,333.76, 498,025.76 and 316,225.04 is: 471,050.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,333.76 : 498,025.76 = 316,225.04 : x
  2. Step 2: Convert to fraction form
    334,333.76/498,025.76 = 316,225.04/x
  3. Step 3: Cross multiply
    334,333.76x = 498,025.76 × 316,225.04
  4. Step 4: Simplify right side
    334,333.76x = 157,488,215,877.03
  5. Step 5: Solve for x
    x = 157,488,215,877.03/334,333.76
  6. Step 6: Final answer
    x = 471,050.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.