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Finding the Fourth Proportional to 350,011.18, 482,871.74 and 259,589.67

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Solution

The fourth proportional to 350,011.18, 482,871.74 and 259,589.67 is: 358,127.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,011.18 : 482,871.74 = 259,589.67 : x
  2. Step 2: Convert to fraction form
    350,011.18/482,871.74 = 259,589.67/x
  3. Step 3: Cross multiply
    350,011.18x = 482,871.74 × 259,589.67
  4. Step 4: Simplify right side
    350,011.18x = 125,348,515,638.93
  5. Step 5: Solve for x
    x = 125,348,515,638.93/350,011.18
  6. Step 6: Final answer
    x = 358,127.18

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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.