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Finding the Fourth Proportional to 350,668.72, 526,003.06 and 291,546.80

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Solution

The fourth proportional to 350,668.72, 526,003.06 and 291,546.80 is: 437,320.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,668.72 : 526,003.06 = 291,546.80 : x
  2. Step 2: Convert to fraction form
    350,668.72/526,003.06 = 291,546.80/x
  3. Step 3: Cross multiply
    350,668.72x = 526,003.06 × 291,546.80
  4. Step 4: Simplify right side
    350,668.72x = 153,354,508,933.21
  5. Step 5: Solve for x
    x = 153,354,508,933.21/350,668.72
  6. Step 6: Final answer
    x = 437,320.18

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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.