Home / 312,140.32-468,210.49-132,254.10

Finding the Fourth Proportional to 312,140.32, 468,210.49 and 132,254.10

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Solution

The fourth proportional to 312,140.32, 468,210.49 and 132,254.10 is: 198,381.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,140.32 : 468,210.49 = 132,254.10 : x
  2. Step 2: Convert to fraction form
    312,140.32/468,210.49 = 132,254.10/x
  3. Step 3: Cross multiply
    312,140.32x = 468,210.49 × 132,254.10
  4. Step 4: Simplify right side
    312,140.32x = 61,922,756,634.87
  5. Step 5: Solve for x
    x = 61,922,756,634.87/312,140.32
  6. Step 6: Final answer
    x = 198,381.15

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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.