Home / 242,308.80-334,355.85-140,332.64

Finding the Fourth Proportional to 242,308.80, 334,355.85 and 140,332.64

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Solution

The fourth proportional to 242,308.80, 334,355.85 and 140,332.64 is: 193,641.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,308.80 : 334,355.85 = 140,332.64 : x
  2. Step 2: Convert to fraction form
    242,308.80/334,355.85 = 140,332.64/x
  3. Step 3: Cross multiply
    242,308.80x = 334,355.85 × 140,332.64
  4. Step 4: Simplify right side
    242,308.80x = 46,921,037,458.16
  5. Step 5: Solve for x
    x = 46,921,037,458.16/242,308.80
  6. Step 6: Final answer
    x = 193,641.49

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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.