Home / 371,353.10-557,029.65-245,381.90

Finding the Fourth Proportional to 371,353.10, 557,029.65 and 245,381.90

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Solution

The fourth proportional to 371,353.10, 557,029.65 and 245,381.90 is: 368,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,353.10 : 557,029.65 = 245,381.90 : x
  2. Step 2: Convert to fraction form
    371,353.10/557,029.65 = 245,381.90/x
  3. Step 3: Cross multiply
    371,353.10x = 557,029.65 × 245,381.90
  4. Step 4: Simplify right side
    371,353.10x = 136,684,993,873.34
  5. Step 5: Solve for x
    x = 136,684,993,873.34/371,353.10
  6. Step 6: Final answer
    x = 368,072.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.