Home / 253,386.96-349,669.08-140,210.52

Finding the Fourth Proportional to 253,386.96, 349,669.08 and 140,210.52

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Solution

The fourth proportional to 253,386.96, 349,669.08 and 140,210.52 is: 193,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,386.96 : 349,669.08 = 140,210.52 : x
  2. Step 2: Convert to fraction form
    253,386.96/349,669.08 = 140,210.52/x
  3. Step 3: Cross multiply
    253,386.96x = 349,669.08 × 140,210.52
  4. Step 4: Simplify right side
    253,386.96x = 49,027,283,534.72
  5. Step 5: Solve for x
    x = 49,027,283,534.72/253,386.96
  6. Step 6: Final answer
    x = 193,487.79

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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.