Home / 279,264.76-385,394.97-151,945.18

Finding the Fourth Proportional to 279,264.76, 385,394.97 and 151,945.18

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Solution

The fourth proportional to 279,264.76, 385,394.97 and 151,945.18 is: 209,689.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,264.76 : 385,394.97 = 151,945.18 : x
  2. Step 2: Convert to fraction form
    279,264.76/385,394.97 = 151,945.18/x
  3. Step 3: Cross multiply
    279,264.76x = 385,394.97 × 151,945.18
  4. Step 4: Simplify right side
    279,264.76x = 58,558,908,087.74
  5. Step 5: Solve for x
    x = 58,558,908,087.74/279,264.76
  6. Step 6: Final answer
    x = 209,689.57

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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.