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Finding the Fourth Proportional to 373,509.75, 560,269.50 and 124,191.75

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Solution

The fourth proportional to 373,509.75, 560,269.50 and 124,191.75 is: 186,289.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,509.75 : 560,269.50 = 124,191.75 : x
  2. Step 2: Convert to fraction form
    373,509.75/560,269.50 = 124,191.75/x
  3. Step 3: Cross multiply
    373,509.75x = 560,269.50 × 124,191.75
  4. Step 4: Simplify right side
    373,509.75x = 69,580,849,676.63
  5. Step 5: Solve for x
    x = 69,580,849,676.63/373,509.75
  6. Step 6: Final answer
    x = 186,289.25

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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.