Home / 275,972.10-380,873.04-153,476.67

Finding the Fourth Proportional to 275,972.10, 380,873.04 and 153,476.67

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Solution

The fourth proportional to 275,972.10, 380,873.04 and 153,476.67 is: 211,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,972.10 : 380,873.04 = 153,476.67 : x
  2. Step 2: Convert to fraction form
    275,972.10/380,873.04 = 153,476.67/x
  3. Step 3: Cross multiply
    275,972.10x = 380,873.04 × 153,476.67
  4. Step 4: Simplify right side
    275,972.10x = 58,455,126,724.71
  5. Step 5: Solve for x
    x = 58,455,126,724.71/275,972.10
  6. Step 6: Final answer
    x = 211,815.35

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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.