Home / 246,400.59-340,032.33-138,970.29

Finding the Fourth Proportional to 246,400.59, 340,032.33 and 138,970.29

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Solution

The fourth proportional to 246,400.59, 340,032.33 and 138,970.29 is: 191,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,400.59 : 340,032.33 = 138,970.29 : x
  2. Step 2: Convert to fraction form
    246,400.59/340,032.33 = 138,970.29/x
  3. Step 3: Cross multiply
    246,400.59x = 340,032.33 × 138,970.29
  4. Step 4: Simplify right side
    246,400.59x = 47,254,391,509.48
  5. Step 5: Solve for x
    x = 47,254,391,509.48/246,400.59
  6. Step 6: Final answer
    x = 191,778.73

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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.