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Finding the Fourth Proportional to 360,521.72, 540,309.53 and 265,306.22

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Solution

The fourth proportional to 360,521.72, 540,309.53 and 265,306.22 is: 397,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,521.72 : 540,309.53 = 265,306.22 : x
  2. Step 2: Convert to fraction form
    360,521.72/540,309.53 = 265,306.22/x
  3. Step 3: Cross multiply
    360,521.72x = 540,309.53 × 265,306.22
  4. Step 4: Simplify right side
    360,521.72x = 143,347,475,006.20
  5. Step 5: Solve for x
    x = 143,347,475,006.20/360,521.72
  6. Step 6: Final answer
    x = 397,611.21

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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.