Home / 278,575.48-384,441.96-151,259.32

Finding the Fourth Proportional to 278,575.48, 384,441.96 and 151,259.32

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Solution

The fourth proportional to 278,575.48, 384,441.96 and 151,259.32 is: 208,742.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,575.48 : 384,441.96 = 151,259.32 : x
  2. Step 2: Convert to fraction form
    278,575.48/384,441.96 = 151,259.32/x
  3. Step 3: Cross multiply
    278,575.48x = 384,441.96 × 151,259.32
  4. Step 4: Simplify right side
    278,575.48x = 58,150,429,449.07
  5. Step 5: Solve for x
    x = 58,150,429,449.07/278,575.48
  6. Step 6: Final answer
    x = 208,742.10

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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.