Home / 447,020.10-616,884.41-243,071.15

Finding the Fourth Proportional to 447,020.10, 616,884.41 and 243,071.15

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Solution

The fourth proportional to 447,020.10, 616,884.41 and 243,071.15 is: 335,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,020.10 : 616,884.41 = 243,071.15 : x
  2. Step 2: Convert to fraction form
    447,020.10/616,884.41 = 243,071.15/x
  3. Step 3: Cross multiply
    447,020.10x = 616,884.41 × 243,071.15
  4. Step 4: Simplify right side
    447,020.10x = 149,946,798,655.99
  5. Step 5: Solve for x
    x = 149,946,798,655.99/447,020.10
  6. Step 6: Final answer
    x = 335,436.37

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1.5x scale

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.