Home / 355,214.56-532,821.88-144,868.96

Finding the Fourth Proportional to 355,214.56, 532,821.88 and 144,868.96

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Solution

The fourth proportional to 355,214.56, 532,821.88 and 144,868.96 is: 217,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,214.56 : 532,821.88 = 144,868.96 : x
  2. Step 2: Convert to fraction form
    355,214.56/532,821.88 = 144,868.96/x
  3. Step 3: Cross multiply
    355,214.56x = 532,821.88 × 144,868.96
  4. Step 4: Simplify right side
    355,214.56x = 77,189,351,620.84
  5. Step 5: Solve for x
    x = 77,189,351,620.84/355,214.56
  6. Step 6: Final answer
    x = 217,303.46

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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.