Home / 374,919.12-517,396.76-205,153.20

Finding the Fourth Proportional to 374,919.12, 517,396.76 and 205,153.20

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Solution

The fourth proportional to 374,919.12, 517,396.76 and 205,153.20 is: 283,116.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,919.12 : 517,396.76 = 205,153.20 : x
  2. Step 2: Convert to fraction form
    374,919.12/517,396.76 = 205,153.20/x
  3. Step 3: Cross multiply
    374,919.12x = 517,396.76 × 205,153.20
  4. Step 4: Simplify right side
    374,919.12x = 106,145,600,983.63
  5. Step 5: Solve for x
    x = 106,145,600,983.63/374,919.12
  6. Step 6: Final answer
    x = 283,116.00

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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.