Home / 400,223.15-552,307.76-218,935.03

Finding the Fourth Proportional to 400,223.15, 552,307.76 and 218,935.03

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Solution

The fourth proportional to 400,223.15, 552,307.76 and 218,935.03 is: 302,130.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,223.15 : 552,307.76 = 218,935.03 : x
  2. Step 2: Convert to fraction form
    400,223.15/552,307.76 = 218,935.03/x
  3. Step 3: Cross multiply
    400,223.15x = 552,307.76 × 218,935.03
  4. Step 4: Simplify right side
    400,223.15x = 120,919,513,529.39
  5. Step 5: Solve for x
    x = 120,919,513,529.39/400,223.15
  6. Step 6: Final answer
    x = 302,130.24

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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.