Home / 275,011.04-379,532.76-154,152.35

Finding the Fourth Proportional to 275,011.04, 379,532.76 and 154,152.35

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Solution

The fourth proportional to 275,011.04, 379,532.76 and 154,152.35 is: 212,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,011.04 : 379,532.76 = 154,152.35 : x
  2. Step 2: Convert to fraction form
    275,011.04/379,532.76 = 154,152.35/x
  3. Step 3: Cross multiply
    275,011.04x = 379,532.76 × 154,152.35
  4. Step 4: Simplify right side
    275,011.04x = 58,505,864,958.32
  5. Step 5: Solve for x
    x = 58,505,864,958.32/275,011.04
  6. Step 6: Final answer
    x = 212,740.06

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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.