Home / 415,439.70-573,303.87-245,670.18

Finding the Fourth Proportional to 415,439.70, 573,303.87 and 245,670.18

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Solution

The fourth proportional to 415,439.70, 573,303.87 and 245,670.18 is: 339,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,439.70 : 573,303.87 = 245,670.18 : x
  2. Step 2: Convert to fraction form
    415,439.70/573,303.87 = 245,670.18/x
  3. Step 3: Cross multiply
    415,439.70x = 573,303.87 × 245,670.18
  4. Step 4: Simplify right side
    415,439.70x = 140,843,664,937.60
  5. Step 5: Solve for x
    x = 140,843,664,937.60/415,439.70
  6. Step 6: Final answer
    x = 339,023.12

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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.