Home / 247,852.36-342,037.40-140,443.34

Finding the Fourth Proportional to 247,852.36, 342,037.40 and 140,443.34

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Solution

The fourth proportional to 247,852.36, 342,037.40 and 140,443.34 is: 193,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,852.36 : 342,037.40 = 140,443.34 : x
  2. Step 2: Convert to fraction form
    247,852.36/342,037.40 = 140,443.34/x
  3. Step 3: Cross multiply
    247,852.36x = 342,037.40 × 140,443.34
  4. Step 4: Simplify right side
    247,852.36x = 48,036,874,860.92
  5. Step 5: Solve for x
    x = 48,036,874,860.92/247,852.36
  6. Step 6: Final answer
    x = 193,812.46

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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.