Home / 456,176.20-684,329.10-140,600.20

Finding the Fourth Proportional to 456,176.20, 684,329.10 and 140,600.20

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Solution

The fourth proportional to 456,176.20, 684,329.10 and 140,600.20 is: 210,920.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,176.20 : 684,329.10 = 140,600.20 : x
  2. Step 2: Convert to fraction form
    456,176.20/684,329.10 = 140,600.20/x
  3. Step 3: Cross multiply
    456,176.20x = 684,329.10 × 140,600.20
  4. Step 4: Simplify right side
    456,176.20x = 96,216,808,325.82
  5. Step 5: Solve for x
    x = 96,216,808,325.82/456,176.20
  6. Step 6: Final answer
    x = 210,920.27

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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.