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Finding the Fourth Proportional to 435,925.46, 653,993.58 and 151,574.96

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Solution

The fourth proportional to 435,925.46, 653,993.58 and 151,574.96 is: 227,399.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,925.46 : 653,993.58 = 151,574.96 : x
  2. Step 2: Convert to fraction form
    435,925.46/653,993.58 = 151,574.96/x
  3. Step 3: Cross multiply
    435,925.46x = 653,993.58 × 151,574.96
  4. Step 4: Simplify right side
    435,925.46x = 99,129,050,728.76
  5. Step 5: Solve for x
    x = 99,129,050,728.76/435,925.46
  6. Step 6: Final answer
    x = 227,399.08

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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.