Home / 217,419.80-326,152.02-75,264.88

Finding the Fourth Proportional to 217,419.80, 326,152.02 and 75,264.88

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Solution

The fourth proportional to 217,419.80, 326,152.02 and 75,264.88 is: 112,905.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,419.80 : 326,152.02 = 75,264.88 : x
  2. Step 2: Convert to fraction form
    217,419.80/326,152.02 = 75,264.88/x
  3. Step 3: Cross multiply
    217,419.80x = 326,152.02 × 75,264.88
  4. Step 4: Simplify right side
    217,419.80x = 24,547,792,647.06
  5. Step 5: Solve for x
    x = 24,547,792,647.06/217,419.80
  6. Step 6: Final answer
    x = 112,905.05

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1.5x scale

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.