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Finding the Fourth Proportional to 270,756.88, 406,047.48 and 93,220.24

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Solution

The fourth proportional to 270,756.88, 406,047.48 and 93,220.24 is: 139,800.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,756.88 : 406,047.48 = 93,220.24 : x
  2. Step 2: Convert to fraction form
    270,756.88/406,047.48 = 93,220.24/x
  3. Step 3: Cross multiply
    270,756.88x = 406,047.48 × 93,220.24
  4. Step 4: Simplify right side
    270,756.88x = 37,851,843,537.00
  5. Step 5: Solve for x
    x = 37,851,843,537.00/270,756.88
  6. Step 6: Final answer
    x = 139,800.12

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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.