Home / 397,877.96-596,923.02-145,181.72

Finding the Fourth Proportional to 397,877.96, 596,923.02 and 145,181.72

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Solution

The fourth proportional to 397,877.96, 596,923.02 and 145,181.72 is: 217,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,877.96 : 596,923.02 = 145,181.72 : x
  2. Step 2: Convert to fraction form
    397,877.96/596,923.02 = 145,181.72/x
  3. Step 3: Cross multiply
    397,877.96x = 596,923.02 × 145,181.72
  4. Step 4: Simplify right side
    397,877.96x = 86,662,310,751.19
  5. Step 5: Solve for x
    x = 86,662,310,751.19/397,877.96
  6. Step 6: Final answer
    x = 217,811.29

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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.