Home / 219,637.40-329,079.63-147,455.12

Finding the Fourth Proportional to 219,637.40, 329,079.63 and 147,455.12

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Solution

The fourth proportional to 219,637.40, 329,079.63 and 147,455.12 is: 220,929.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,637.40 : 329,079.63 = 147,455.12 : x
  2. Step 2: Convert to fraction form
    219,637.40/329,079.63 = 147,455.12/x
  3. Step 3: Cross multiply
    219,637.40x = 329,079.63 × 147,455.12
  4. Step 4: Simplify right side
    219,637.40x = 48,524,476,331.21
  5. Step 5: Solve for x
    x = 48,524,476,331.21/219,637.40
  6. Step 6: Final answer
    x = 220,929.93

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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.