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Finding the Fourth Proportional to 357,323.80, 535,612.74 and 120,584.92

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Solution

The fourth proportional to 357,323.80, 535,612.74 and 120,584.92 is: 180,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,323.80 : 535,612.74 = 120,584.92 : x
  2. Step 2: Convert to fraction form
    357,323.80/535,612.74 = 120,584.92/x
  3. Step 3: Cross multiply
    357,323.80x = 535,612.74 × 120,584.92
  4. Step 4: Simplify right side
    357,323.80x = 64,586,819,403.88
  5. Step 5: Solve for x
    x = 64,586,819,403.88/357,323.80
  6. Step 6: Final answer
    x = 180,751.52

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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.