Home / 369,518.53-554,278.27-89,035.78

Finding the Fourth Proportional to 369,518.53, 554,278.27 and 89,035.78

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Solution

The fourth proportional to 369,518.53, 554,278.27 and 89,035.78 is: 133,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,518.53 : 554,278.27 = 89,035.78 : x
  2. Step 2: Convert to fraction form
    369,518.53/554,278.27 = 89,035.78/x
  3. Step 3: Cross multiply
    369,518.53x = 554,278.27 × 89,035.78
  4. Step 4: Simplify right side
    369,518.53x = 49,350,598,106.50
  5. Step 5: Solve for x
    x = 49,350,598,106.50/369,518.53
  6. Step 6: Final answer
    x = 133,553.78

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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.