Home / 294,748.22-406,752.45-160,612.22

Finding the Fourth Proportional to 294,748.22, 406,752.45 and 160,612.22

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Solution

The fourth proportional to 294,748.22, 406,752.45 and 160,612.22 is: 221,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,748.22 : 406,752.45 = 160,612.22 : x
  2. Step 2: Convert to fraction form
    294,748.22/406,752.45 = 160,612.22/x
  3. Step 3: Cross multiply
    294,748.22x = 406,752.45 × 160,612.22
  4. Step 4: Simplify right side
    294,748.22x = 65,329,413,984.94
  5. Step 5: Solve for x
    x = 65,329,413,984.94/294,748.22
  6. Step 6: Final answer
    x = 221,644.81

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1.5x scale

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.