Home / 401,210.84-552,667.11-305,551.46

Finding the Fourth Proportional to 401,210.84, 552,667.11 and 305,551.46

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Solution

The fourth proportional to 401,210.84, 552,667.11 and 305,551.46 is: 420,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,210.84 : 552,667.11 = 305,551.46 : x
  2. Step 2: Convert to fraction form
    401,210.84/552,667.11 = 305,551.46/x
  3. Step 3: Cross multiply
    401,210.84x = 552,667.11 × 305,551.46
  4. Step 4: Simplify right side
    401,210.84x = 168,868,242,354.48
  5. Step 5: Solve for x
    x = 168,868,242,354.48/401,210.84
  6. Step 6: Final answer
    x = 420,896.51

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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.