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Finding the Fourth Proportional to 249,363.62, 374,100.12 and 80,900.98

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Solution

The fourth proportional to 249,363.62, 374,100.12 and 80,900.98 is: 121,369.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,363.62 : 374,100.12 = 80,900.98 : x
  2. Step 2: Convert to fraction form
    249,363.62/374,100.12 = 80,900.98/x
  3. Step 3: Cross multiply
    249,363.62x = 374,100.12 × 80,900.98
  4. Step 4: Simplify right side
    249,363.62x = 30,265,066,326.12
  5. Step 5: Solve for x
    x = 30,265,066,326.12/249,363.62
  6. Step 6: Final answer
    x = 121,369.21

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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.