Home / 435,477.60-653,540.40-225,007.20

Finding the Fourth Proportional to 435,477.60, 653,540.40 and 225,007.20

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Solution

The fourth proportional to 435,477.60, 653,540.40 and 225,007.20 is: 337,678.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,477.60 : 653,540.40 = 225,007.20 : x
  2. Step 2: Convert to fraction form
    435,477.60/653,540.40 = 225,007.20/x
  3. Step 3: Cross multiply
    435,477.60x = 653,540.40 × 225,007.20
  4. Step 4: Simplify right side
    435,477.60x = 147,051,295,490.88
  5. Step 5: Solve for x
    x = 147,051,295,490.88/435,477.60
  6. Step 6: Final answer
    x = 337,678.21

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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.