Home / 272,849.92-376,482.90-151,988.20

Finding the Fourth Proportional to 272,849.92, 376,482.90 and 151,988.20

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Solution

The fourth proportional to 272,849.92, 376,482.90 and 151,988.20 is: 209,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,849.92 : 376,482.90 = 151,988.20 : x
  2. Step 2: Convert to fraction form
    272,849.92/376,482.90 = 151,988.20/x
  3. Step 3: Cross multiply
    272,849.92x = 376,482.90 × 151,988.20
  4. Step 4: Simplify right side
    272,849.92x = 57,220,956,419.37
  5. Step 5: Solve for x
    x = 57,220,956,419.37/272,849.92
  6. Step 6: Final answer
    x = 209,715.87

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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.