Home / 258,467.08-356,700.90-145,297.12

Finding the Fourth Proportional to 258,467.08, 356,700.90 and 145,297.12

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Solution

The fourth proportional to 258,467.08, 356,700.90 and 145,297.12 is: 200,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,467.08 : 356,700.90 = 145,297.12 : x
  2. Step 2: Convert to fraction form
    258,467.08/356,700.90 = 145,297.12/x
  3. Step 3: Cross multiply
    258,467.08x = 356,700.90 × 145,297.12
  4. Step 4: Simplify right side
    258,467.08x = 51,827,613,471.41
  5. Step 5: Solve for x
    x = 51,827,613,471.41/258,467.08
  6. Step 6: Final answer
    x = 200,519.21

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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.