Home / 379,430.60-569,132.30-95,123.50

Finding the Fourth Proportional to 379,430.60, 569,132.30 and 95,123.50

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Solution

The fourth proportional to 379,430.60, 569,132.30 and 95,123.50 is: 142,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,430.60 : 569,132.30 = 95,123.50 : x
  2. Step 2: Convert to fraction form
    379,430.60/569,132.30 = 95,123.50/x
  3. Step 3: Cross multiply
    379,430.60x = 569,132.30 × 95,123.50
  4. Step 4: Simplify right side
    379,430.60x = 54,137,856,339.05
  5. Step 5: Solve for x
    x = 54,137,856,339.05/379,430.60
  6. Step 6: Final answer
    x = 142,681.84

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1.5x scale

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.