Home / 401,070.35-553,270.04-271,965.16

Finding the Fourth Proportional to 401,070.35, 553,270.04 and 271,965.16

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Solution

The fourth proportional to 401,070.35, 553,270.04 and 271,965.16 is: 375,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,070.35 : 553,270.04 = 271,965.16 : x
  2. Step 2: Convert to fraction form
    401,070.35/553,270.04 = 271,965.16/x
  3. Step 3: Cross multiply
    401,070.35x = 553,270.04 × 271,965.16
  4. Step 4: Simplify right side
    401,070.35x = 150,470,176,833.24
  5. Step 5: Solve for x
    x = 150,470,176,833.24/401,070.35
  6. Step 6: Final answer
    x = 375,171.53

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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.