Home / 215,853.16-323,581.02-145,756.84

Finding the Fourth Proportional to 215,853.16, 323,581.02 and 145,756.84

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Solution

The fourth proportional to 215,853.16, 323,581.02 and 145,756.84 is: 218,501.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,853.16 : 323,581.02 = 145,756.84 : x
  2. Step 2: Convert to fraction form
    215,853.16/323,581.02 = 145,756.84/x
  3. Step 3: Cross multiply
    215,853.16x = 323,581.02 × 145,756.84
  4. Step 4: Simplify right side
    215,853.16x = 47,164,146,959.18
  5. Step 5: Solve for x
    x = 47,164,146,959.18/215,853.16
  6. Step 6: Final answer
    x = 218,501.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.