Home / 288,829.12-433,366.80-148,686.16

Finding the Fourth Proportional to 288,829.12, 433,366.80 and 148,686.16

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Solution

The fourth proportional to 288,829.12, 433,366.80 and 148,686.16 is: 223,092.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,829.12 : 433,366.80 = 148,686.16 : x
  2. Step 2: Convert to fraction form
    288,829.12/433,366.80 = 148,686.16/x
  3. Step 3: Cross multiply
    288,829.12x = 433,366.80 × 148,686.16
  4. Step 4: Simplify right side
    288,829.12x = 64,435,645,363.49
  5. Step 5: Solve for x
    x = 64,435,645,363.49/288,829.12
  6. Step 6: Final answer
    x = 223,092.62

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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.