Home / 272,844.80-409,263.55-70,441.59

Finding the Fourth Proportional to 272,844.80, 409,263.55 and 70,441.59

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Solution

The fourth proportional to 272,844.80, 409,263.55 and 70,441.59 is: 105,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,844.80 : 409,263.55 = 70,441.59 : x
  2. Step 2: Convert to fraction form
    272,844.80/409,263.55 = 70,441.59/x
  3. Step 3: Cross multiply
    272,844.80x = 409,263.55 × 70,441.59
  4. Step 4: Simplify right side
    272,844.80x = 28,829,175,014.94
  5. Step 5: Solve for x
    x = 28,829,175,014.94/272,844.80
  6. Step 6: Final answer
    x = 105,661.44

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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.