Home / 420,265.02-579,945.51-229,267.02

Finding the Fourth Proportional to 420,265.02, 579,945.51 and 229,267.02

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Solution

The fourth proportional to 420,265.02, 579,945.51 and 229,267.02 is: 316,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,265.02 : 579,945.51 = 229,267.02 : x
  2. Step 2: Convert to fraction form
    420,265.02/579,945.51 = 229,267.02/x
  3. Step 3: Cross multiply
    420,265.02x = 579,945.51 × 229,267.02
  4. Step 4: Simplify right side
    420,265.02x = 132,962,378,840.08
  5. Step 5: Solve for x
    x = 132,962,378,840.08/420,265.02
  6. Step 6: Final answer
    x = 316,377.46

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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.