Home / 249,742.40-374,286.72-218,072.64

Finding the Fourth Proportional to 249,742.40, 374,286.72 and 218,072.64

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Solution

The fourth proportional to 249,742.40, 374,286.72 and 218,072.64 is: 326,823.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,742.40 : 374,286.72 = 218,072.64 : x
  2. Step 2: Convert to fraction form
    249,742.40/374,286.72 = 218,072.64/x
  3. Step 3: Cross multiply
    249,742.40x = 374,286.72 × 218,072.64
  4. Step 4: Simplify right side
    249,742.40x = 81,621,693,147.34
  5. Step 5: Solve for x
    x = 81,621,693,147.34/249,742.40
  6. Step 6: Final answer
    x = 326,823.53

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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.