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Finding the Fourth Proportional to 357,472.09, 536,089.06 and 144,184.92

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Solution

The fourth proportional to 357,472.09, 536,089.06 and 144,184.92 is: 216,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,472.09 : 536,089.06 = 144,184.92 : x
  2. Step 2: Convert to fraction form
    357,472.09/536,089.06 = 144,184.92/x
  3. Step 3: Cross multiply
    357,472.09x = 536,089.06 × 144,184.92
  4. Step 4: Simplify right side
    357,472.09x = 77,295,958,228.98
  5. Step 5: Solve for x
    x = 77,295,958,228.98/357,472.09
  6. Step 6: Final answer
    x = 216,229.35

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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.