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Finding the Fourth Proportional to 581,316.75, 871,978.77 and 160,596.27

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Solution

The fourth proportional to 581,316.75, 871,978.77 and 160,596.27 is: 240,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,316.75 : 871,978.77 = 160,596.27 : x
  2. Step 2: Convert to fraction form
    581,316.75/871,978.77 = 160,596.27/x
  3. Step 3: Cross multiply
    581,316.75x = 871,978.77 × 160,596.27
  4. Step 4: Simplify right side
    581,316.75x = 140,036,537,981.19
  5. Step 5: Solve for x
    x = 140,036,537,981.19/581,316.75
  6. Step 6: Final answer
    x = 240,895.41

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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.