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Finding the Fourth Proportional to 295,474.74, 443,460.09 and 153,407.22

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Solution

The fourth proportional to 295,474.74, 443,460.09 and 153,407.22 is: 230,239.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,474.74 : 443,460.09 = 153,407.22 : x
  2. Step 2: Convert to fraction form
    295,474.74/443,460.09 = 153,407.22/x
  3. Step 3: Cross multiply
    295,474.74x = 443,460.09 × 153,407.22
  4. Step 4: Simplify right side
    295,474.74x = 68,029,979,587.85
  5. Step 5: Solve for x
    x = 68,029,979,587.85/295,474.74
  6. Step 6: Final answer
    x = 230,239.58

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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.