Home / 768,176.60-1,152,437.70-235,722.20

Finding the Fourth Proportional to 768,176.60, 1,152,437.70 and 235,722.20

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Solution

The fourth proportional to 768,176.60, 1,152,437.70 and 235,722.20 is: 353,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,176.60 : 1,152,437.70 = 235,722.20 : x
  2. Step 2: Convert to fraction form
    768,176.60/1,152,437.70 = 235,722.20/x
  3. Step 3: Cross multiply
    768,176.60x = 1,152,437.70 × 235,722.20
  4. Step 4: Simplify right side
    768,176.60x = 271,655,150,006.94
  5. Step 5: Solve for x
    x = 271,655,150,006.94/768,176.60
  6. Step 6: Final answer
    x = 353,636.33

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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.