Home / 219,265.20-328,897.27-86,052.30

Finding the Fourth Proportional to 219,265.20, 328,897.27 and 86,052.30

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Solution

The fourth proportional to 219,265.20, 328,897.27 and 86,052.30 is: 129,078.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,265.20 : 328,897.27 = 86,052.30 : x
  2. Step 2: Convert to fraction form
    219,265.20/328,897.27 = 86,052.30/x
  3. Step 3: Cross multiply
    219,265.20x = 328,897.27 × 86,052.30
  4. Step 4: Simplify right side
    219,265.20x = 28,302,366,547.22
  5. Step 5: Solve for x
    x = 28,302,366,547.22/219,265.20
  6. Step 6: Final answer
    x = 129,078.24

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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.