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Finding the Fourth Proportional to 240,002.40, 359,715.60 and 99,688.80

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Solution

The fourth proportional to 240,002.40, 359,715.60 and 99,688.80 is: 149,413.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,002.40 : 359,715.60 = 99,688.80 : x
  2. Step 2: Convert to fraction form
    240,002.40/359,715.60 = 99,688.80/x
  3. Step 3: Cross multiply
    240,002.40x = 359,715.60 × 99,688.80
  4. Step 4: Simplify right side
    240,002.40x = 35,859,616,505.28
  5. Step 5: Solve for x
    x = 35,859,616,505.28/240,002.40
  6. Step 6: Final answer
    x = 149,413.57

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1.5x scale

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.