Home / 260,332.64-390,501.04-170,451.12

Finding the Fourth Proportional to 260,332.64, 390,501.04 and 170,451.12

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Solution

The fourth proportional to 260,332.64, 390,501.04 and 170,451.12 is: 255,678.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,332.64 : 390,501.04 = 170,451.12 : x
  2. Step 2: Convert to fraction form
    260,332.64/390,501.04 = 170,451.12/x
  3. Step 3: Cross multiply
    260,332.64x = 390,501.04 × 170,451.12
  4. Step 4: Simplify right side
    260,332.64x = 66,561,339,629.16
  5. Step 5: Solve for x
    x = 66,561,339,629.16/260,332.64
  6. Step 6: Final answer
    x = 255,678.04

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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.