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Finding the Fourth Proportional to 566,407.20, 849,649.20 and 192,458.40

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Solution

The fourth proportional to 566,407.20, 849,649.20 and 192,458.40 is: 288,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,407.20 : 849,649.20 = 192,458.40 : x
  2. Step 2: Convert to fraction form
    566,407.20/849,649.20 = 192,458.40/x
  3. Step 3: Cross multiply
    566,407.20x = 849,649.20 × 192,458.40
  4. Step 4: Simplify right side
    566,407.20x = 163,522,125,593.28
  5. Step 5: Solve for x
    x = 163,522,125,593.28/566,407.20
  6. Step 6: Final answer
    x = 288,700.65

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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.