Home / 507,839.85-761,859.35-187,994.18

Finding the Fourth Proportional to 507,839.85, 761,859.35 and 187,994.18

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Solution

The fourth proportional to 507,839.85, 761,859.35 and 187,994.18 is: 282,028.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,839.85 : 761,859.35 = 187,994.18 : x
  2. Step 2: Convert to fraction form
    507,839.85/761,859.35 = 187,994.18/x
  3. Step 3: Cross multiply
    507,839.85x = 761,859.35 × 187,994.18
  4. Step 4: Simplify right side
    507,839.85x = 143,225,122,002.83
  5. Step 5: Solve for x
    x = 143,225,122,002.83/507,839.85
  6. Step 6: Final answer
    x = 282,028.13

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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.