Home / 253,511.04-349,848-140,335.68

Finding the Fourth Proportional to 253,511.04, 349,848 and 140,335.68

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Solution

The fourth proportional to 253,511.04, 349,848 and 140,335.68 is: 193,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,511.04 : 349,848 = 140,335.68 : x
  2. Step 2: Convert to fraction form
    253,511.04/349,848 = 140,335.68/x
  3. Step 3: Cross multiply
    253,511.04x = 349,848 × 140,335.68
  4. Step 4: Simplify right side
    253,511.04x = 49,096,156,976.64
  5. Step 5: Solve for x
    x = 49,096,156,976.64/253,511.04
  6. Step 6: Final answer
    x = 193,664.77

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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.