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Finding the Fourth Proportional to 379,559.56, 569,339.34 and 99,077.08

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Solution

The fourth proportional to 379,559.56, 569,339.34 and 99,077.08 is: 148,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,559.56 : 569,339.34 = 99,077.08 : x
  2. Step 2: Convert to fraction form
    379,559.56/569,339.34 = 99,077.08/x
  3. Step 3: Cross multiply
    379,559.56x = 569,339.34 × 99,077.08
  4. Step 4: Simplify right side
    379,559.56x = 56,408,479,336.33
  5. Step 5: Solve for x
    x = 56,408,479,336.33/379,559.56
  6. Step 6: Final answer
    x = 148,615.62

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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.