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Finding the Fourth Proportional to 441,326.40, 661,808.16 and 175,050.24

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Solution

The fourth proportional to 441,326.40, 661,808.16 and 175,050.24 is: 262,503.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,326.40 : 661,808.16 = 175,050.24 : x
  2. Step 2: Convert to fraction form
    441,326.40/661,808.16 = 175,050.24/x
  3. Step 3: Cross multiply
    441,326.40x = 661,808.16 × 175,050.24
  4. Step 4: Simplify right side
    441,326.40x = 115,849,677,241.96
  5. Step 5: Solve for x
    x = 115,849,677,241.96/441,326.40
  6. Step 6: Final answer
    x = 262,503.39

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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.