Home / 369,247.12-553,875.12-102,991.44

Finding the Fourth Proportional to 369,247.12, 553,875.12 and 102,991.44

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Solution

The fourth proportional to 369,247.12, 553,875.12 and 102,991.44 is: 154,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,247.12 : 553,875.12 = 102,991.44 : x
  2. Step 2: Convert to fraction form
    369,247.12/553,875.12 = 102,991.44/x
  3. Step 3: Cross multiply
    369,247.12x = 553,875.12 × 102,991.44
  4. Step 4: Simplify right side
    369,247.12x = 57,044,396,188.97
  5. Step 5: Solve for x
    x = 57,044,396,188.97/369,247.12
  6. Step 6: Final answer
    x = 154,488.40

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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.