Home / 435,564.50-653,371.36-155,081.75

Finding the Fourth Proportional to 435,564.50, 653,371.36 and 155,081.75

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Solution

The fourth proportional to 435,564.50, 653,371.36 and 155,081.75 is: 232,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,564.50 : 653,371.36 = 155,081.75 : x
  2. Step 2: Convert to fraction form
    435,564.50/653,371.36 = 155,081.75/x
  3. Step 3: Cross multiply
    435,564.50x = 653,371.36 × 155,081.75
  4. Step 4: Simplify right side
    435,564.50x = 101,325,973,133.27
  5. Step 5: Solve for x
    x = 101,325,973,133.27/435,564.50
  6. Step 6: Final answer
    x = 232,631.39

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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.