Home / 289,982.43-434,798.93-130,029.41

Finding the Fourth Proportional to 289,982.43, 434,798.93 and 130,029.41

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Solution

The fourth proportional to 289,982.43, 434,798.93 and 130,029.41 is: 194,965.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,982.43 : 434,798.93 = 130,029.41 : x
  2. Step 2: Convert to fraction form
    289,982.43/434,798.93 = 130,029.41/x
  3. Step 3: Cross multiply
    289,982.43x = 434,798.93 × 130,029.41
  4. Step 4: Simplify right side
    289,982.43x = 56,536,649,748.60
  5. Step 5: Solve for x
    x = 56,536,649,748.60/289,982.43
  6. Step 6: Final answer
    x = 194,965.78

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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.