Home / 379,931.80-569,436.90-169,346.20

Finding the Fourth Proportional to 379,931.80, 569,436.90 and 169,346.20

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Solution

The fourth proportional to 379,931.80, 569,436.90 and 169,346.20 is: 253,813.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,931.80 : 569,436.90 = 169,346.20 : x
  2. Step 2: Convert to fraction form
    379,931.80/569,436.90 = 169,346.20/x
  3. Step 3: Cross multiply
    379,931.80x = 569,436.90 × 169,346.20
  4. Step 4: Simplify right side
    379,931.80x = 96,431,975,154.78
  5. Step 5: Solve for x
    x = 96,431,975,154.78/379,931.80
  6. Step 6: Final answer
    x = 253,813.91

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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.