Home / 219,036.20-328,554.30-71,292.20

Finding the Fourth Proportional to 219,036.20, 328,554.30 and 71,292.20

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Solution

The fourth proportional to 219,036.20, 328,554.30 and 71,292.20 is: 106,938.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,036.20 : 328,554.30 = 71,292.20 : x
  2. Step 2: Convert to fraction form
    219,036.20/328,554.30 = 71,292.20/x
  3. Step 3: Cross multiply
    219,036.20x = 328,554.30 × 71,292.20
  4. Step 4: Simplify right side
    219,036.20x = 23,423,358,866.46
  5. Step 5: Solve for x
    x = 23,423,358,866.46/219,036.20
  6. Step 6: Final answer
    x = 106,938.30

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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.