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Finding the Fourth Proportional to 384,045.16, 529,834.50 and 240,555.40

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Solution

The fourth proportional to 384,045.16, 529,834.50 and 240,555.40 is: 331,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,045.16 : 529,834.50 = 240,555.40 : x
  2. Step 2: Convert to fraction form
    384,045.16/529,834.50 = 240,555.40/x
  3. Step 3: Cross multiply
    384,045.16x = 529,834.50 × 240,555.40
  4. Step 4: Simplify right side
    384,045.16x = 127,454,550,081.30
  5. Step 5: Solve for x
    x = 127,454,550,081.30/384,045.16
  6. Step 6: Final answer
    x = 331,873.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.