Home / 268,079.08-369,856.60-171,339.52

Finding the Fourth Proportional to 268,079.08, 369,856.60 and 171,339.52

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Solution

The fourth proportional to 268,079.08, 369,856.60 and 171,339.52 is: 236,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,079.08 : 369,856.60 = 171,339.52 : x
  2. Step 2: Convert to fraction form
    268,079.08/369,856.60 = 171,339.52/x
  3. Step 3: Cross multiply
    268,079.08x = 369,856.60 × 171,339.52
  4. Step 4: Simplify right side
    268,079.08x = 63,371,052,312.83
  5. Step 5: Solve for x
    x = 63,371,052,312.83/268,079.08
  6. Step 6: Final answer
    x = 236,389.40

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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.