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Finding the Fourth Proportional to 489,529, 734,337.24 and 152,572.50

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Solution

The fourth proportional to 489,529, 734,337.24 and 152,572.50 is: 228,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,529 : 734,337.24 = 152,572.50 : x
  2. Step 2: Convert to fraction form
    489,529/734,337.24 = 152,572.50/x
  3. Step 3: Cross multiply
    489,529x = 734,337.24 × 152,572.50
  4. Step 4: Simplify right side
    489,529x = 112,039,668,549.90
  5. Step 5: Solve for x
    x = 112,039,668,549.90/489,529
  6. Step 6: Final answer
    x = 228,872.38

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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.