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Finding the Fourth Proportional to 235,045.56, 352,612.08 and 77,280.24

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Solution

The fourth proportional to 235,045.56, 352,612.08 and 77,280.24 is: 115,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,045.56 : 352,612.08 = 77,280.24 : x
  2. Step 2: Convert to fraction form
    235,045.56/352,612.08 = 77,280.24/x
  3. Step 3: Cross multiply
    235,045.56x = 352,612.08 × 77,280.24
  4. Step 4: Simplify right side
    235,045.56x = 27,249,946,169.30
  5. Step 5: Solve for x
    x = 27,249,946,169.30/235,045.56
  6. Step 6: Final answer
    x = 115,934.74

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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.