Home / 369,306.30-553,861.02-103,019.90

Finding the Fourth Proportional to 369,306.30, 553,861.02 and 103,019.90

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Solution

The fourth proportional to 369,306.30, 553,861.02 and 103,019.90 is: 154,502.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,306.30 : 553,861.02 = 103,019.90 : x
  2. Step 2: Convert to fraction form
    369,306.30/553,861.02 = 103,019.90/x
  3. Step 3: Cross multiply
    369,306.30x = 553,861.02 × 103,019.90
  4. Step 4: Simplify right side
    369,306.30x = 57,058,706,894.30
  5. Step 5: Solve for x
    x = 57,058,706,894.30/369,306.30
  6. Step 6: Final answer
    x = 154,502.39

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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.