Home / 252,587.08-348,569.42-139,409

Finding the Fourth Proportional to 252,587.08, 348,569.42 and 139,409

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Solution

The fourth proportional to 252,587.08, 348,569.42 and 139,409 is: 192,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,587.08 : 348,569.42 = 139,409 : x
  2. Step 2: Convert to fraction form
    252,587.08/348,569.42 = 139,409/x
  3. Step 3: Cross multiply
    252,587.08x = 348,569.42 × 139,409
  4. Step 4: Simplify right side
    252,587.08x = 48,593,714,272.78
  5. Step 5: Solve for x
    x = 48,593,714,272.78/252,587.08
  6. Step 6: Final answer
    x = 192,384.01

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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.