Home / 380,160.56-524,565.12-230,899.81

Finding the Fourth Proportional to 380,160.56, 524,565.12 and 230,899.81

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Solution

The fourth proportional to 380,160.56, 524,565.12 and 230,899.81 is: 318,607.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,160.56 : 524,565.12 = 230,899.81 : x
  2. Step 2: Convert to fraction form
    380,160.56/524,565.12 = 230,899.81/x
  3. Step 3: Cross multiply
    380,160.56x = 524,565.12 × 230,899.81
  4. Step 4: Simplify right side
    380,160.56x = 121,121,986,540.63
  5. Step 5: Solve for x
    x = 121,121,986,540.63/380,160.56
  6. Step 6: Final answer
    x = 318,607.45

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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.