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Finding the Fourth Proportional to 575,385.12, 863,046.48 and 176,025.93

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Solution

The fourth proportional to 575,385.12, 863,046.48 and 176,025.93 is: 264,029.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,385.12 : 863,046.48 = 176,025.93 : x
  2. Step 2: Convert to fraction form
    575,385.12/863,046.48 = 176,025.93/x
  3. Step 3: Cross multiply
    575,385.12x = 863,046.48 × 176,025.93
  4. Step 4: Simplify right side
    575,385.12x = 151,918,559,275.23
  5. Step 5: Solve for x
    x = 151,918,559,275.23/575,385.12
  6. Step 6: Final answer
    x = 264,029.35

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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.