Home / 420,184.40-579,833.16-229,196.24

Finding the Fourth Proportional to 420,184.40, 579,833.16 and 229,196.24

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Solution

The fourth proportional to 420,184.40, 579,833.16 and 229,196.24 is: 316,279.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,184.40 : 579,833.16 = 229,196.24 : x
  2. Step 2: Convert to fraction form
    420,184.40/579,833.16 = 229,196.24/x
  3. Step 3: Cross multiply
    420,184.40x = 579,833.16 × 229,196.24
  4. Step 4: Simplify right side
    420,184.40x = 132,895,580,099.32
  5. Step 5: Solve for x
    x = 132,895,580,099.32/420,184.40
  6. Step 6: Final answer
    x = 316,279.19

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1.5x scale

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.