Home / 288,516.90-398,147.49-175,376.10

Finding the Fourth Proportional to 288,516.90, 398,147.49 and 175,376.10

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Solution

The fourth proportional to 288,516.90, 398,147.49 and 175,376.10 is: 242,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,516.90 : 398,147.49 = 175,376.10 : x
  2. Step 2: Convert to fraction form
    288,516.90/398,147.49 = 175,376.10/x
  3. Step 3: Cross multiply
    288,516.90x = 398,147.49 × 175,376.10
  4. Step 4: Simplify right side
    288,516.90x = 69,825,554,020.99
  5. Step 5: Solve for x
    x = 69,825,554,020.99/288,516.90
  6. Step 6: Final answer
    x = 242,015.47

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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.