Home / 247,830.12-342,012.26-145,862.76

Finding the Fourth Proportional to 247,830.12, 342,012.26 and 145,862.76

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Solution

The fourth proportional to 247,830.12, 342,012.26 and 145,862.76 is: 201,294.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,830.12 : 342,012.26 = 145,862.76 : x
  2. Step 2: Convert to fraction form
    247,830.12/342,012.26 = 145,862.76/x
  3. Step 3: Cross multiply
    247,830.12x = 342,012.26 × 145,862.76
  4. Step 4: Simplify right side
    247,830.12x = 49,886,852,197.44
  5. Step 5: Solve for x
    x = 49,886,852,197.44/247,830.12
  6. Step 6: Final answer
    x = 201,294.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.