Home / 400,001.09-552,001.99-218,713.82

Finding the Fourth Proportional to 400,001.09, 552,001.99 and 218,713.82

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Solution

The fourth proportional to 400,001.09, 552,001.99 and 218,713.82 is: 301,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,001.09 : 552,001.99 = 218,713.82 : x
  2. Step 2: Convert to fraction form
    400,001.09/552,001.99 = 218,713.82/x
  3. Step 3: Cross multiply
    400,001.09x = 552,001.99 × 218,713.82
  4. Step 4: Simplify right side
    400,001.09x = 120,730,464,088.81
  5. Step 5: Solve for x
    x = 120,730,464,088.81/400,001.09
  6. Step 6: Final answer
    x = 301,825.34

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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.