Home / 272,849.42-376,482.21-151,987.70

Finding the Fourth Proportional to 272,849.42, 376,482.21 and 151,987.70

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Solution

The fourth proportional to 272,849.42, 376,482.21 and 151,987.70 is: 209,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,849.42 : 376,482.21 = 151,987.70 : x
  2. Step 2: Convert to fraction form
    272,849.42/376,482.21 = 151,987.70/x
  3. Step 3: Cross multiply
    272,849.42x = 376,482.21 × 151,987.70
  4. Step 4: Simplify right side
    272,849.42x = 57,220,663,306.41
  5. Step 5: Solve for x
    x = 57,220,663,306.41/272,849.42
  6. Step 6: Final answer
    x = 209,715.18

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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.