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Finding the Fourth Proportional to 285,254.92, 428,141.58 and 152,248.60

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Solution

The fourth proportional to 285,254.92, 428,141.58 and 152,248.60 is: 228,511.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,254.92 : 428,141.58 = 152,248.60 : x
  2. Step 2: Convert to fraction form
    285,254.92/428,141.58 = 152,248.60/x
  3. Step 3: Cross multiply
    285,254.92x = 428,141.58 × 152,248.60
  4. Step 4: Simplify right side
    285,254.92x = 65,183,956,156.79
  5. Step 5: Solve for x
    x = 65,183,956,156.79/285,254.92
  6. Step 6: Final answer
    x = 228,511.24

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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.