Home / 272,931.17-376,640.00-152,069.86

Finding the Fourth Proportional to 272,931.17, 376,640.00 and 152,069.86

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Solution

The fourth proportional to 272,931.17, 376,640.00 and 152,069.86 is: 209,853.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,931.17 : 376,640.00 = 152,069.86 : x
  2. Step 2: Convert to fraction form
    272,931.17/376,640.00 = 152,069.86/x
  3. Step 3: Cross multiply
    272,931.17x = 376,640.00 × 152,069.86
  4. Step 4: Simplify right side
    272,931.17x = 57,275,590,660.21
  5. Step 5: Solve for x
    x = 57,275,590,660.21/272,931.17
  6. Step 6: Final answer
    x = 209,853.61

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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.