Home / 288,522.90-398,155.77-175,382.10

Finding the Fourth Proportional to 288,522.90, 398,155.77 and 175,382.10

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Solution

The fourth proportional to 288,522.90, 398,155.77 and 175,382.10 is: 242,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,522.90 : 398,155.77 = 175,382.10 : x
  2. Step 2: Convert to fraction form
    288,522.90/398,155.77 = 175,382.10/x
  3. Step 3: Cross multiply
    288,522.90x = 398,155.77 × 175,382.10
  4. Step 4: Simplify right side
    288,522.90x = 69,829,395,069.72
  5. Step 5: Solve for x
    x = 69,829,395,069.72/288,522.90
  6. Step 6: Final answer
    x = 242,023.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.