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Finding the Fourth Proportional to 288,569.60, 432,854.40 and 162,598.40

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Solution

The fourth proportional to 288,569.60, 432,854.40 and 162,598.40 is: 243,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,569.60 : 432,854.40 = 162,598.40 : x
  2. Step 2: Convert to fraction form
    288,569.60/432,854.40 = 162,598.40/x
  3. Step 3: Cross multiply
    288,569.60x = 432,854.40 × 162,598.40
  4. Step 4: Simplify right side
    288,569.60x = 70,381,432,872.96
  5. Step 5: Solve for x
    x = 70,381,432,872.96/288,569.60
  6. Step 6: Final answer
    x = 243,897.60

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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.