Home / 352,175.04-528,243.12-257,502.24

Finding the Fourth Proportional to 352,175.04, 528,243.12 and 257,502.24

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Solution

The fourth proportional to 352,175.04, 528,243.12 and 257,502.24 is: 386,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,175.04 : 528,243.12 = 257,502.24 : x
  2. Step 2: Convert to fraction form
    352,175.04/528,243.12 = 257,502.24/x
  3. Step 3: Cross multiply
    352,175.04x = 528,243.12 × 257,502.24
  4. Step 4: Simplify right side
    352,175.04x = 136,023,786,664.59
  5. Step 5: Solve for x
    x = 136,023,786,664.59/352,175.04
  6. Step 6: Final answer
    x = 386,239.15

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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.