Home / 289,430.20-433,562.10-164,625.40

Finding the Fourth Proportional to 289,430.20, 433,562.10 and 164,625.40

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Solution

The fourth proportional to 289,430.20, 433,562.10 and 164,625.40 is: 246,606.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,430.20 : 433,562.10 = 164,625.40 : x
  2. Step 2: Convert to fraction form
    289,430.20/433,562.10 = 164,625.40/x
  3. Step 3: Cross multiply
    289,430.20x = 433,562.10 × 164,625.40
  4. Step 4: Simplify right side
    289,430.20x = 71,375,334,137.34
  5. Step 5: Solve for x
    x = 71,375,334,137.34/289,430.20
  6. Step 6: Final answer
    x = 246,606.38

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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.