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Finding the Fourth Proportional to 377,779.07, 566,532.48 and 125,012.90

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Solution

The fourth proportional to 377,779.07, 566,532.48 and 125,012.90 is: 187,474.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,779.07 : 566,532.48 = 125,012.90 : x
  2. Step 2: Convert to fraction form
    377,779.07/566,532.48 = 125,012.90/x
  3. Step 3: Cross multiply
    377,779.07x = 566,532.48 × 125,012.90
  4. Step 4: Simplify right side
    377,779.07x = 70,823,868,268.99
  5. Step 5: Solve for x
    x = 70,823,868,268.99/377,779.07
  6. Step 6: Final answer
    x = 187,474.30

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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.