Home / 278,346.64-383,588.04-273,228.40

Finding the Fourth Proportional to 278,346.64, 383,588.04 and 273,228.40

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Solution

The fourth proportional to 278,346.64, 383,588.04 and 273,228.40 is: 376,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,346.64 : 383,588.04 = 273,228.40 : x
  2. Step 2: Convert to fraction form
    278,346.64/383,588.04 = 273,228.40/x
  3. Step 3: Cross multiply
    278,346.64x = 383,588.04 × 273,228.40
  4. Step 4: Simplify right side
    278,346.64x = 104,807,146,428.34
  5. Step 5: Solve for x
    x = 104,807,146,428.34/278,346.64
  6. Step 6: Final answer
    x = 376,534.62

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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.