Home / 386,297.24-533,088.27-216,531.36

Finding the Fourth Proportional to 386,297.24, 533,088.27 and 216,531.36

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Solution

The fourth proportional to 386,297.24, 533,088.27 and 216,531.36 is: 298,812.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,297.24 : 533,088.27 = 216,531.36 : x
  2. Step 2: Convert to fraction form
    386,297.24/533,088.27 = 216,531.36/x
  3. Step 3: Cross multiply
    386,297.24x = 533,088.27 × 216,531.36
  4. Step 4: Simplify right side
    386,297.24x = 115,430,328,103.15
  5. Step 5: Solve for x
    x = 115,430,328,103.15/386,297.24
  6. Step 6: Final answer
    x = 298,812.20

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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.