Home / 287,285.08-430,783.38-167,380.84

Finding the Fourth Proportional to 287,285.08, 430,783.38 and 167,380.84

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Solution

The fourth proportional to 287,285.08, 430,783.38 and 167,380.84 is: 250,987.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,285.08 : 430,783.38 = 167,380.84 : x
  2. Step 2: Convert to fraction form
    287,285.08/430,783.38 = 167,380.84/x
  3. Step 3: Cross multiply
    287,285.08x = 430,783.38 × 167,380.84
  4. Step 4: Simplify right side
    287,285.08x = 72,104,884,002.44
  5. Step 5: Solve for x
    x = 72,104,884,002.44/287,285.08
  6. Step 6: Final answer
    x = 250,987.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.