Home / 231,327.20-346,990.80-178,774.40

Finding the Fourth Proportional to 231,327.20, 346,990.80 and 178,774.40

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Solution

The fourth proportional to 231,327.20, 346,990.80 and 178,774.40 is: 268,161.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,327.20 : 346,990.80 = 178,774.40 : x
  2. Step 2: Convert to fraction form
    231,327.20/346,990.80 = 178,774.40/x
  3. Step 3: Cross multiply
    231,327.20x = 346,990.80 × 178,774.40
  4. Step 4: Simplify right side
    231,327.20x = 62,033,072,075.52
  5. Step 5: Solve for x
    x = 62,033,072,075.52/231,327.20
  6. Step 6: Final answer
    x = 268,161.60

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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.