Home / 415,298.14-573,116.80-245,530.78

Finding the Fourth Proportional to 415,298.14, 573,116.80 and 245,530.78

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Solution

The fourth proportional to 415,298.14, 573,116.80 and 245,530.78 is: 338,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,298.14 : 573,116.80 = 245,530.78 : x
  2. Step 2: Convert to fraction form
    415,298.14/573,116.80 = 245,530.78/x
  3. Step 3: Cross multiply
    415,298.14x = 573,116.80 × 245,530.78
  4. Step 4: Simplify right side
    415,298.14x = 140,717,814,935.10
  5. Step 5: Solve for x
    x = 140,717,814,935.10/415,298.14
  6. Step 6: Final answer
    x = 338,835.65

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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.