Home / 289,147.20-433,137.60-164,342.40

Finding the Fourth Proportional to 289,147.20, 433,137.60 and 164,342.40

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Solution

The fourth proportional to 289,147.20, 433,137.60 and 164,342.40 is: 246,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,147.20 : 433,137.60 = 164,342.40 : x
  2. Step 2: Convert to fraction form
    289,147.20/433,137.60 = 164,342.40/x
  3. Step 3: Cross multiply
    289,147.20x = 433,137.60 × 164,342.40
  4. Step 4: Simplify right side
    289,147.20x = 71,182,872,714.24
  5. Step 5: Solve for x
    x = 71,182,872,714.24/289,147.20
  6. Step 6: Final answer
    x = 246,182.13

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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.