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Finding the Fourth Proportional to 249,507.87, 374,514.12 and 221,225.91

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Solution

The fourth proportional to 249,507.87, 374,514.12 and 221,225.91 is: 332,062.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,507.87 : 374,514.12 = 221,225.91 : x
  2. Step 2: Convert to fraction form
    249,507.87/374,514.12 = 221,225.91/x
  3. Step 3: Cross multiply
    249,507.87x = 374,514.12 × 221,225.91
  4. Step 4: Simplify right side
    249,507.87x = 82,852,227,004.85
  5. Step 5: Solve for x
    x = 82,852,227,004.85/249,507.87
  6. Step 6: Final answer
    x = 332,062.58

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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.