Home / 249,621.80-374,432.70-109,231.40

Finding the Fourth Proportional to 249,621.80, 374,432.70 and 109,231.40

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Solution

The fourth proportional to 249,621.80, 374,432.70 and 109,231.40 is: 163,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,621.80 : 374,432.70 = 109,231.40 : x
  2. Step 2: Convert to fraction form
    249,621.80/374,432.70 = 109,231.40/x
  3. Step 3: Cross multiply
    249,621.80x = 374,432.70 × 109,231.40
  4. Step 4: Simplify right side
    249,621.80x = 40,899,808,026.78
  5. Step 5: Solve for x
    x = 40,899,808,026.78/249,621.80
  6. Step 6: Final answer
    x = 163,847.10

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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.