Home / 417,239.16-625,215.06-281,772.60

Finding the Fourth Proportional to 417,239.16, 625,215.06 and 281,772.60

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Solution

The fourth proportional to 417,239.16, 625,215.06 and 281,772.60 is: 422,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,239.16 : 625,215.06 = 281,772.60 : x
  2. Step 2: Convert to fraction form
    417,239.16/625,215.06 = 281,772.60/x
  3. Step 3: Cross multiply
    417,239.16x = 625,215.06 × 281,772.60
  4. Step 4: Simplify right side
    417,239.16x = 176,168,473,015.36
  5. Step 5: Solve for x
    x = 176,168,473,015.36/417,239.16
  6. Step 6: Final answer
    x = 422,224.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.