Home / 278,467.08-384,284.88-151,142.82

Finding the Fourth Proportional to 278,467.08, 384,284.88 and 151,142.82

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Solution

The fourth proportional to 278,467.08, 384,284.88 and 151,142.82 is: 208,577.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,467.08 : 384,284.88 = 151,142.82 : x
  2. Step 2: Convert to fraction form
    278,467.08/384,284.88 = 151,142.82/x
  3. Step 3: Cross multiply
    278,467.08x = 384,284.88 × 151,142.82
  4. Step 4: Simplify right side
    278,467.08x = 58,081,900,446.56
  5. Step 5: Solve for x
    x = 58,081,900,446.56/278,467.08
  6. Step 6: Final answer
    x = 208,577.26

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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.