Home / 420,267.02-579,948.27-229,269.02

Finding the Fourth Proportional to 420,267.02, 579,948.27 and 229,269.02

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Solution

The fourth proportional to 420,267.02, 579,948.27 and 229,269.02 is: 316,380.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,267.02 : 579,948.27 = 229,269.02 : x
  2. Step 2: Convert to fraction form
    420,267.02/579,948.27 = 229,269.02/x
  3. Step 3: Cross multiply
    420,267.02x = 579,948.27 × 229,269.02
  4. Step 4: Simplify right side
    420,267.02x = 132,964,171,513.60
  5. Step 5: Solve for x
    x = 132,964,171,513.60/420,267.02
  6. Step 6: Final answer
    x = 316,380.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.