Home / 253,140.18-349,400.48-157,590.15

Finding the Fourth Proportional to 253,140.18, 349,400.48 and 157,590.15

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Solution

The fourth proportional to 253,140.18, 349,400.48 and 157,590.15 is: 217,516.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,140.18 : 349,400.48 = 157,590.15 : x
  2. Step 2: Convert to fraction form
    253,140.18/349,400.48 = 157,590.15/x
  3. Step 3: Cross multiply
    253,140.18x = 349,400.48 × 157,590.15
  4. Step 4: Simplify right side
    253,140.18x = 55,062,073,265.32
  5. Step 5: Solve for x
    x = 55,062,073,265.32/253,140.18
  6. Step 6: Final answer
    x = 217,516.13

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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.