Home / 435,557.25-653,360.48-155,074.50

Finding the Fourth Proportional to 435,557.25, 653,360.48 and 155,074.50

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Solution

The fourth proportional to 435,557.25, 653,360.48 and 155,074.50 is: 232,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,557.25 : 653,360.48 = 155,074.50 : x
  2. Step 2: Convert to fraction form
    435,557.25/653,360.48 = 155,074.50/x
  3. Step 3: Cross multiply
    435,557.25x = 653,360.48 × 155,074.50
  4. Step 4: Simplify right side
    435,557.25x = 101,319,549,561.92
  5. Step 5: Solve for x
    x = 101,319,549,561.92/435,557.25
  6. Step 6: Final answer
    x = 232,620.51

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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.