Home / 403,870.41-557,436.14-251,024.04

Finding the Fourth Proportional to 403,870.41, 557,436.14 and 251,024.04

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Solution

The fourth proportional to 403,870.41, 557,436.14 and 251,024.04 is: 346,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,870.41 : 557,436.14 = 251,024.04 : x
  2. Step 2: Convert to fraction form
    403,870.41/557,436.14 = 251,024.04/x
  3. Step 3: Cross multiply
    403,870.41x = 557,436.14 × 251,024.04
  4. Step 4: Simplify right side
    403,870.41x = 139,929,871,435.25
  5. Step 5: Solve for x
    x = 139,929,871,435.25/403,870.41
  6. Step 6: Final answer
    x = 346,472.20

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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.