Home / 400,010.76-552,153.85-230,312.52

Finding the Fourth Proportional to 400,010.76, 552,153.85 and 230,312.52

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Solution

The fourth proportional to 400,010.76, 552,153.85 and 230,312.52 is: 317,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,010.76 : 552,153.85 = 230,312.52 : x
  2. Step 2: Convert to fraction form
    400,010.76/552,153.85 = 230,312.52/x
  3. Step 3: Cross multiply
    400,010.76x = 552,153.85 × 230,312.52
  4. Step 4: Simplify right side
    400,010.76x = 127,167,944,045.42
  5. Step 5: Solve for x
    x = 127,167,944,045.42/400,010.76
  6. Step 6: Final answer
    x = 317,911.31

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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.