Home / 279,269.41-385,393.50-151,945.93

Finding the Fourth Proportional to 279,269.41, 385,393.50 and 151,945.93

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Solution

The fourth proportional to 279,269.41, 385,393.50 and 151,945.93 is: 209,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,269.41 : 385,393.50 = 151,945.93 : x
  2. Step 2: Convert to fraction form
    279,269.41/385,393.50 = 151,945.93/x
  3. Step 3: Cross multiply
    279,269.41x = 385,393.50 × 151,945.93
  4. Step 4: Simplify right side
    279,269.41x = 58,558,973,773.46
  5. Step 5: Solve for x
    x = 58,558,973,773.46/279,269.41
  6. Step 6: Final answer
    x = 209,686.32

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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.