Home / 401,316.56-553,823.08-220,045.04

Finding the Fourth Proportional to 401,316.56, 553,823.08 and 220,045.04

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Solution

The fourth proportional to 401,316.56, 553,823.08 and 220,045.04 is: 303,665.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,316.56 : 553,823.08 = 220,045.04 : x
  2. Step 2: Convert to fraction form
    401,316.56/553,823.08 = 220,045.04/x
  3. Step 3: Cross multiply
    401,316.56x = 553,823.08 × 220,045.04
  4. Step 4: Simplify right side
    401,316.56x = 121,866,021,791.52
  5. Step 5: Solve for x
    x = 121,866,021,791.52/401,316.56
  6. Step 6: Final answer
    x = 303,665.57

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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.