Home / 348,508.16-481,595.04-284,822.72

Finding the Fourth Proportional to 348,508.16, 481,595.04 and 284,822.72

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Solution

The fourth proportional to 348,508.16, 481,595.04 and 284,822.72 is: 393,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,508.16 : 481,595.04 = 284,822.72 : x
  2. Step 2: Convert to fraction form
    348,508.16/481,595.04 = 284,822.72/x
  3. Step 3: Cross multiply
    348,508.16x = 481,595.04 × 284,822.72
  4. Step 4: Simplify right side
    348,508.16x = 137,169,209,231.31
  5. Step 5: Solve for x
    x = 137,169,209,231.31/348,508.16
  6. Step 6: Final answer
    x = 393,589.66

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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.