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Finding the Fourth Proportional to 360,556.80, 540,122.40 and 316,233.60

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Solution

The fourth proportional to 360,556.80, 540,122.40 and 316,233.60 is: 473,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,556.80 : 540,122.40 = 316,233.60 : x
  2. Step 2: Convert to fraction form
    360,556.80/540,122.40 = 316,233.60/x
  3. Step 3: Cross multiply
    360,556.80x = 540,122.40 × 316,233.60
  4. Step 4: Simplify right side
    360,556.80x = 170,804,850,992.64
  5. Step 5: Solve for x
    x = 170,804,850,992.64/360,556.80
  6. Step 6: Final answer
    x = 473,725.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.