Home / 261,064.25-391,596.67-71,526.26

Finding the Fourth Proportional to 261,064.25, 391,596.67 and 71,526.26

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Solution

The fourth proportional to 261,064.25, 391,596.67 and 71,526.26 is: 107,289.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,064.25 : 391,596.67 = 71,526.26 : x
  2. Step 2: Convert to fraction form
    261,064.25/391,596.67 = 71,526.26/x
  3. Step 3: Cross multiply
    261,064.25x = 391,596.67 × 71,526.26
  4. Step 4: Simplify right side
    261,064.25x = 28,009,443,364.98
  5. Step 5: Solve for x
    x = 28,009,443,364.98/261,064.25
  6. Step 6: Final answer
    x = 107,289.47

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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.