Home / 272,031.90-408,047.85-270,282.30

Finding the Fourth Proportional to 272,031.90, 408,047.85 and 270,282.30

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Solution

The fourth proportional to 272,031.90, 408,047.85 and 270,282.30 is: 405,423.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,031.90 : 408,047.85 = 270,282.30 : x
  2. Step 2: Convert to fraction form
    272,031.90/408,047.85 = 270,282.30/x
  3. Step 3: Cross multiply
    272,031.90x = 408,047.85 × 270,282.30
  4. Step 4: Simplify right side
    272,031.90x = 110,288,111,408.06
  5. Step 5: Solve for x
    x = 110,288,111,408.06/272,031.90
  6. Step 6: Final answer
    x = 405,423.45

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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.