Home / 285,431.04-428,005.44-167,132.16

Finding the Fourth Proportional to 285,431.04, 428,005.44 and 167,132.16

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Solution

The fourth proportional to 285,431.04, 428,005.44 and 167,132.16 is: 250,615.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,431.04 : 428,005.44 = 167,132.16 : x
  2. Step 2: Convert to fraction form
    285,431.04/428,005.44 = 167,132.16/x
  3. Step 3: Cross multiply
    285,431.04x = 428,005.44 × 167,132.16
  4. Step 4: Simplify right side
    285,431.04x = 71,533,473,678.95
  5. Step 5: Solve for x
    x = 71,533,473,678.95/285,431.04
  6. Step 6: Final answer
    x = 250,615.61

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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.