Home / 348,009.12-521,932-196,271.80

Finding the Fourth Proportional to 348,009.12, 521,932 and 196,271.80

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Solution

The fourth proportional to 348,009.12, 521,932 and 196,271.80 is: 294,361.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,009.12 : 521,932 = 196,271.80 : x
  2. Step 2: Convert to fraction form
    348,009.12/521,932 = 196,271.80/x
  3. Step 3: Cross multiply
    348,009.12x = 521,932 × 196,271.80
  4. Step 4: Simplify right side
    348,009.12x = 102,440,533,117.60
  5. Step 5: Solve for x
    x = 102,440,533,117.60/348,009.12
  6. Step 6: Final answer
    x = 294,361.63

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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.