Home / 473,287.78-653,132.19-258,427.18

Finding the Fourth Proportional to 473,287.78, 653,132.19 and 258,427.18

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Solution

The fourth proportional to 473,287.78, 653,132.19 and 258,427.18 is: 356,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,287.78 : 653,132.19 = 258,427.18 : x
  2. Step 2: Convert to fraction form
    473,287.78/653,132.19 = 258,427.18/x
  3. Step 3: Cross multiply
    473,287.78x = 653,132.19 × 258,427.18
  4. Step 4: Simplify right side
    473,287.78x = 168,787,110,028.92
  5. Step 5: Solve for x
    x = 168,787,110,028.92/473,287.78
  6. Step 6: Final answer
    x = 356,626.81

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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.