Home / 424,830.49-637,058.78-225,104.84

Finding the Fourth Proportional to 424,830.49, 637,058.78 and 225,104.84

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Solution

The fourth proportional to 424,830.49, 637,058.78 and 225,104.84 is: 337,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,830.49 : 637,058.78 = 225,104.84 : x
  2. Step 2: Convert to fraction form
    424,830.49/637,058.78 = 225,104.84/x
  3. Step 3: Cross multiply
    424,830.49x = 637,058.78 × 225,104.84
  4. Step 4: Simplify right side
    424,830.49x = 143,405,017,248.25
  5. Step 5: Solve for x
    x = 143,405,017,248.25/424,830.49
  6. Step 6: Final answer
    x = 337,558.20

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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.