Home / 315,217.23-472,431.83-202,597.71

Finding the Fourth Proportional to 315,217.23, 472,431.83 and 202,597.71

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Solution

The fourth proportional to 315,217.23, 472,431.83 and 202,597.71 is: 303,643.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,217.23 : 472,431.83 = 202,597.71 : x
  2. Step 2: Convert to fraction form
    315,217.23/472,431.83 = 202,597.71/x
  3. Step 3: Cross multiply
    315,217.23x = 472,431.83 × 202,597.71
  4. Step 4: Simplify right side
    315,217.23x = 95,713,606,889.11
  5. Step 5: Solve for x
    x = 95,713,606,889.11/315,217.23
  6. Step 6: Final answer
    x = 303,643.32

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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.