Home / 649,645.20-974,467.32-176,400

Finding the Fourth Proportional to 649,645.20, 974,467.32 and 176,400

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Solution

The fourth proportional to 649,645.20, 974,467.32 and 176,400 is: 264,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,645.20 : 974,467.32 = 176,400 : x
  2. Step 2: Convert to fraction form
    649,645.20/974,467.32 = 176,400/x
  3. Step 3: Cross multiply
    649,645.20x = 974,467.32 × 176,400
  4. Step 4: Simplify right side
    649,645.20x = 171,896,035,248
  5. Step 5: Solve for x
    x = 171,896,035,248/649,645.20
  6. Step 6: Final answer
    x = 264,599.87

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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.