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Finding the Fourth Proportional to 349,597.19, 524,422.21 and 96,874.76

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Solution

The fourth proportional to 349,597.19, 524,422.21 and 96,874.76 is: 145,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,597.19 : 524,422.21 = 96,874.76 : x
  2. Step 2: Convert to fraction form
    349,597.19/524,422.21 = 96,874.76/x
  3. Step 3: Cross multiply
    349,597.19x = 524,422.21 × 96,874.76
  4. Step 4: Simplify right side
    349,597.19x = 50,803,272,868.12
  5. Step 5: Solve for x
    x = 50,803,272,868.12/349,597.19
  6. Step 6: Final answer
    x = 145,319.46

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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.