Home / 353,270.16-487,502.37-200,322.32

Finding the Fourth Proportional to 353,270.16, 487,502.37 and 200,322.32

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Solution

The fourth proportional to 353,270.16, 487,502.37 and 200,322.32 is: 276,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,270.16 : 487,502.37 = 200,322.32 : x
  2. Step 2: Convert to fraction form
    353,270.16/487,502.37 = 200,322.32/x
  3. Step 3: Cross multiply
    353,270.16x = 487,502.37 × 200,322.32
  4. Step 4: Simplify right side
    353,270.16x = 97,657,603,326.39
  5. Step 5: Solve for x
    x = 97,657,603,326.39/353,270.16
  6. Step 6: Final answer
    x = 276,438.87

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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.