Home / 253,606.02-349,986.86-140,428.77

Finding the Fourth Proportional to 253,606.02, 349,986.86 and 140,428.77

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Solution

The fourth proportional to 253,606.02, 349,986.86 and 140,428.77 is: 193,797.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,606.02 : 349,986.86 = 140,428.77 : x
  2. Step 2: Convert to fraction form
    253,606.02/349,986.86 = 140,428.77/x
  3. Step 3: Cross multiply
    253,606.02x = 349,986.86 × 140,428.77
  4. Step 4: Simplify right side
    253,606.02x = 49,148,224,265.96
  5. Step 5: Solve for x
    x = 49,148,224,265.96/253,606.02
  6. Step 6: Final answer
    x = 193,797.55

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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.