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Finding the Fourth Proportional to 575,334.35, 863,036.12 and 175,978.58

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Solution

The fourth proportional to 575,334.35, 863,036.12 and 175,978.58 is: 263,978.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,334.35 : 863,036.12 = 175,978.58 : x
  2. Step 2: Convert to fraction form
    575,334.35/863,036.12 = 175,978.58/x
  3. Step 3: Cross multiply
    575,334.35x = 863,036.12 × 175,978.58
  4. Step 4: Simplify right side
    575,334.35x = 151,875,865,691.24
  5. Step 5: Solve for x
    x = 151,875,865,691.24/575,334.35
  6. Step 6: Final answer
    x = 263,978.44

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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.