Home / 371,862.81-557,483.34-172,326.18

Finding the Fourth Proportional to 371,862.81, 557,483.34 and 172,326.18

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Solution

The fourth proportional to 371,862.81, 557,483.34 and 172,326.18 is: 258,345.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,862.81 : 557,483.34 = 172,326.18 : x
  2. Step 2: Convert to fraction form
    371,862.81/557,483.34 = 172,326.18/x
  3. Step 3: Cross multiply
    371,862.81x = 557,483.34 × 172,326.18
  4. Step 4: Simplify right side
    371,862.81x = 96,068,974,395.84
  5. Step 5: Solve for x
    x = 96,068,974,395.84/371,862.81
  6. Step 6: Final answer
    x = 258,345.21

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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.