Home / 438,121.80-657,474.30-248,581.80

Finding the Fourth Proportional to 438,121.80, 657,474.30 and 248,581.80

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Solution

The fourth proportional to 438,121.80, 657,474.30 and 248,581.80 is: 373,038.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,121.80 : 657,474.30 = 248,581.80 : x
  2. Step 2: Convert to fraction form
    438,121.80/657,474.30 = 248,581.80/x
  3. Step 3: Cross multiply
    438,121.80x = 657,474.30 × 248,581.80
  4. Step 4: Simplify right side
    438,121.80x = 163,436,144,947.74
  5. Step 5: Solve for x
    x = 163,436,144,947.74/438,121.80
  6. Step 6: Final answer
    x = 373,038.15

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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.