Home / 401,334.08-553,851.60-226,890.40

Finding the Fourth Proportional to 401,334.08, 553,851.60 and 226,890.40

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Solution

The fourth proportional to 401,334.08, 553,851.60 and 226,890.40 is: 313,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,334.08 : 553,851.60 = 226,890.40 : x
  2. Step 2: Convert to fraction form
    401,334.08/553,851.60 = 226,890.40/x
  3. Step 3: Cross multiply
    401,334.08x = 553,851.60 × 226,890.40
  4. Step 4: Simplify right side
    401,334.08x = 125,663,611,064.64
  5. Step 5: Solve for x
    x = 125,663,611,064.64/401,334.08
  6. Step 6: Final answer
    x = 313,114.73

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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.