Home / 353,242.23-487,266.13-222,210.98

Finding the Fourth Proportional to 353,242.23, 487,266.13 and 222,210.98

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Solution

The fourth proportional to 353,242.23, 487,266.13 and 222,210.98 is: 306,520.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,242.23 : 487,266.13 = 222,210.98 : x
  2. Step 2: Convert to fraction form
    353,242.23/487,266.13 = 222,210.98/x
  3. Step 3: Cross multiply
    353,242.23x = 487,266.13 × 222,210.98
  4. Step 4: Simplify right side
    353,242.23x = 108,275,884,268.11
  5. Step 5: Solve for x
    x = 108,275,884,268.11/353,242.23
  6. Step 6: Final answer
    x = 306,520.21

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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.