Home / 427,133.28-589,412.88-236,148.96

Finding the Fourth Proportional to 427,133.28, 589,412.88 and 236,148.96

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Solution

The fourth proportional to 427,133.28, 589,412.88 and 236,148.96 is: 325,868.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,133.28 : 589,412.88 = 236,148.96 : x
  2. Step 2: Convert to fraction form
    427,133.28/589,412.88 = 236,148.96/x
  3. Step 3: Cross multiply
    427,133.28x = 589,412.88 × 236,148.96
  4. Step 4: Simplify right side
    427,133.28x = 139,189,238,622.61
  5. Step 5: Solve for x
    x = 139,189,238,622.61/427,133.28
  6. Step 6: Final answer
    x = 325,868.40

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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.