Home / 278,442.39-384,248.24-151,118.04

Finding the Fourth Proportional to 278,442.39, 384,248.24 and 151,118.04

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Solution

The fourth proportional to 278,442.39, 384,248.24 and 151,118.04 is: 208,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,442.39 : 384,248.24 = 151,118.04 : x
  2. Step 2: Convert to fraction form
    278,442.39/384,248.24 = 151,118.04/x
  3. Step 3: Cross multiply
    278,442.39x = 384,248.24 × 151,118.04
  4. Step 4: Simplify right side
    278,442.39x = 58,066,840,146.66
  5. Step 5: Solve for x
    x = 58,066,840,146.66/278,442.39
  6. Step 6: Final answer
    x = 208,541.67

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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.