Home / 231,246.80-346,870.20-119,272.40

Finding the Fourth Proportional to 231,246.80, 346,870.20 and 119,272.40

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Solution

The fourth proportional to 231,246.80, 346,870.20 and 119,272.40 is: 178,908.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,246.80 : 346,870.20 = 119,272.40 : x
  2. Step 2: Convert to fraction form
    231,246.80/346,870.20 = 119,272.40/x
  3. Step 3: Cross multiply
    231,246.80x = 346,870.20 × 119,272.40
  4. Step 4: Simplify right side
    231,246.80x = 41,372,041,242.48
  5. Step 5: Solve for x
    x = 41,372,041,242.48/231,246.80
  6. Step 6: Final answer
    x = 178,908.60

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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.