Home / 236,829.90-355,244.85-217,476.30

Finding the Fourth Proportional to 236,829.90, 355,244.85 and 217,476.30

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Solution

The fourth proportional to 236,829.90, 355,244.85 and 217,476.30 is: 326,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,829.90 : 355,244.85 = 217,476.30 : x
  2. Step 2: Convert to fraction form
    236,829.90/355,244.85 = 217,476.30/x
  3. Step 3: Cross multiply
    236,829.90x = 355,244.85 × 217,476.30
  4. Step 4: Simplify right side
    236,829.90x = 77,257,335,572.06
  5. Step 5: Solve for x
    x = 77,257,335,572.06/236,829.90
  6. Step 6: Final answer
    x = 326,214.45

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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.