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Finding the Fourth Proportional to 350,742.72, 526,050.72 and 114,052.80

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Solution

The fourth proportional to 350,742.72, 526,050.72 and 114,052.80 is: 171,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,742.72 : 526,050.72 = 114,052.80 : x
  2. Step 2: Convert to fraction form
    350,742.72/526,050.72 = 114,052.80/x
  3. Step 3: Cross multiply
    350,742.72x = 526,050.72 × 114,052.80
  4. Step 4: Simplify right side
    350,742.72x = 59,997,557,558.02
  5. Step 5: Solve for x
    x = 59,997,557,558.02/350,742.72
  6. Step 6: Final answer
    x = 171,058.60

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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.