Home / 403,709.16-557,091.90-242,571

Finding the Fourth Proportional to 403,709.16, 557,091.90 and 242,571

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Solution

The fourth proportional to 403,709.16, 557,091.90 and 242,571 is: 334,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,709.16 : 557,091.90 = 242,571 : x
  2. Step 2: Convert to fraction form
    403,709.16/557,091.90 = 242,571/x
  3. Step 3: Cross multiply
    403,709.16x = 557,091.90 × 242,571
  4. Step 4: Simplify right side
    403,709.16x = 135,134,339,274.90
  5. Step 5: Solve for x
    x = 135,134,339,274.90/403,709.16
  6. Step 6: Final answer
    x = 334,731.91

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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.