Home / 289,148.20-433,139.10-164,343.40

Finding the Fourth Proportional to 289,148.20, 433,139.10 and 164,343.40

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Solution

The fourth proportional to 289,148.20, 433,139.10 and 164,343.40 is: 246,183.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,148.20 : 433,139.10 = 164,343.40 : x
  2. Step 2: Convert to fraction form
    289,148.20/433,139.10 = 164,343.40/x
  3. Step 3: Cross multiply
    289,148.20x = 433,139.10 × 164,343.40
  4. Step 4: Simplify right side
    289,148.20x = 71,183,552,366.94
  5. Step 5: Solve for x
    x = 71,183,552,366.94/289,148.20
  6. Step 6: Final answer
    x = 246,183.63

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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.