Home / 287,467.50-430,757.67-182,065.05

Finding the Fourth Proportional to 287,467.50, 430,757.67 and 182,065.05

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Solution

The fourth proportional to 287,467.50, 430,757.67 and 182,065.05 is: 272,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,467.50 : 430,757.67 = 182,065.05 : x
  2. Step 2: Convert to fraction form
    287,467.50/430,757.67 = 182,065.05/x
  3. Step 3: Cross multiply
    287,467.50x = 430,757.67 × 182,065.05
  4. Step 4: Simplify right side
    287,467.50x = 78,425,916,726.43
  5. Step 5: Solve for x
    x = 78,425,916,726.43/287,467.50
  6. Step 6: Final answer
    x = 272,816.64

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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.