Home / 289,579.10-434,390.85-97,454.46

Finding the Fourth Proportional to 289,579.10, 434,390.85 and 97,454.46

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Solution

The fourth proportional to 289,579.10, 434,390.85 and 97,454.46 is: 146,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,579.10 : 434,390.85 = 97,454.46 : x
  2. Step 2: Convert to fraction form
    289,579.10/434,390.85 = 97,454.46/x
  3. Step 3: Cross multiply
    289,579.10x = 434,390.85 × 97,454.46
  4. Step 4: Simplify right side
    289,579.10x = 42,333,327,344.66
  5. Step 5: Solve for x
    x = 42,333,327,344.66/289,579.10
  6. Step 6: Final answer
    x = 146,189.17

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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.