Home / 282,747.75-390,061.85-250,515.25

Finding the Fourth Proportional to 282,747.75, 390,061.85 and 250,515.25

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Solution

The fourth proportional to 282,747.75, 390,061.85 and 250,515.25 is: 345,595.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,747.75 : 390,061.85 = 250,515.25 : x
  2. Step 2: Convert to fraction form
    282,747.75/390,061.85 = 250,515.25/x
  3. Step 3: Cross multiply
    282,747.75x = 390,061.85 × 250,515.25
  4. Step 4: Simplify right side
    282,747.75x = 97,716,440,615.64
  5. Step 5: Solve for x
    x = 97,716,440,615.64/282,747.75
  6. Step 6: Final answer
    x = 345,595.82

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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.