Home / 289,140.20-433,127.10-164,335.40

Finding the Fourth Proportional to 289,140.20, 433,127.10 and 164,335.40

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Solution

The fourth proportional to 289,140.20, 433,127.10 and 164,335.40 is: 246,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,140.20 : 433,127.10 = 164,335.40 : x
  2. Step 2: Convert to fraction form
    289,140.20/433,127.10 = 164,335.40/x
  3. Step 3: Cross multiply
    289,140.20x = 433,127.10 × 164,335.40
  4. Step 4: Simplify right side
    289,140.20x = 71,178,115,229.34
  5. Step 5: Solve for x
    x = 71,178,115,229.34/289,140.20
  6. Step 6: Final answer
    x = 246,171.63

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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.