Home / 249,640.20-374,460.30-218,536.20

Finding the Fourth Proportional to 249,640.20, 374,460.30 and 218,536.20

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Solution

The fourth proportional to 249,640.20, 374,460.30 and 218,536.20 is: 327,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,640.20 : 374,460.30 = 218,536.20 : x
  2. Step 2: Convert to fraction form
    249,640.20/374,460.30 = 218,536.20/x
  3. Step 3: Cross multiply
    249,640.20x = 374,460.30 × 218,536.20
  4. Step 4: Simplify right side
    249,640.20x = 81,833,131,012.86
  5. Step 5: Solve for x
    x = 81,833,131,012.86/249,640.20
  6. Step 6: Final answer
    x = 327,804.30

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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.