Home / 278,314.44-384,048.54-157,466.76

Finding the Fourth Proportional to 278,314.44, 384,048.54 and 157,466.76

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Solution

The fourth proportional to 278,314.44, 384,048.54 and 157,466.76 is: 217,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,314.44 : 384,048.54 = 157,466.76 : x
  2. Step 2: Convert to fraction form
    278,314.44/384,048.54 = 157,466.76/x
  3. Step 3: Cross multiply
    278,314.44x = 384,048.54 × 157,466.76
  4. Step 4: Simplify right side
    278,314.44x = 60,474,879,276.53
  5. Step 5: Solve for x
    x = 60,474,879,276.53/278,314.44
  6. Step 6: Final answer
    x = 217,289.77

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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.