Home / 273,039.30-376,748.55-152,154.09

Finding the Fourth Proportional to 273,039.30, 376,748.55 and 152,154.09

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Solution

The fourth proportional to 273,039.30, 376,748.55 and 152,154.09 is: 209,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,039.30 : 376,748.55 = 152,154.09 : x
  2. Step 2: Convert to fraction form
    273,039.30/376,748.55 = 152,154.09/x
  3. Step 3: Cross multiply
    273,039.30x = 376,748.55 × 152,154.09
  4. Step 4: Simplify right side
    273,039.30x = 57,323,832,784.07
  5. Step 5: Solve for x
    x = 57,323,832,784.07/273,039.30
  6. Step 6: Final answer
    x = 209,947.19

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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.