Home / 768,035.40-1,152,053.10-235,552.20

Finding the Fourth Proportional to 768,035.40, 1,152,053.10 and 235,552.20

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Solution

The fourth proportional to 768,035.40, 1,152,053.10 and 235,552.20 is: 353,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,035.40 : 1,152,053.10 = 235,552.20 : x
  2. Step 2: Convert to fraction form
    768,035.40/1,152,053.10 = 235,552.20/x
  3. Step 3: Cross multiply
    768,035.40x = 1,152,053.10 × 235,552.20
  4. Step 4: Simplify right side
    768,035.40x = 271,368,642,221.82
  5. Step 5: Solve for x
    x = 271,368,642,221.82/768,035.40
  6. Step 6: Final answer
    x = 353,328.30

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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.