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Finding the Fourth Proportional to 249,548.80, 374,339.40 and 131,450.80

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Solution

The fourth proportional to 249,548.80, 374,339.40 and 131,450.80 is: 197,184.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,548.80 : 374,339.40 = 131,450.80 : x
  2. Step 2: Convert to fraction form
    249,548.80/374,339.40 = 131,450.80/x
  3. Step 3: Cross multiply
    249,548.80x = 374,339.40 × 131,450.80
  4. Step 4: Simplify right side
    249,548.80x = 49,207,213,601.52
  5. Step 5: Solve for x
    x = 49,207,213,601.52/249,548.80
  6. Step 6: Final answer
    x = 197,184.73

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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.