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Finding the Fourth Proportional to 427,042, 589,313.64 and 236,046.16

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Solution

The fourth proportional to 427,042, 589,313.64 and 236,046.16 is: 325,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,042 : 589,313.64 = 236,046.16 : x
  2. Step 2: Convert to fraction form
    427,042/589,313.64 = 236,046.16/x
  3. Step 3: Cross multiply
    427,042x = 589,313.64 × 236,046.16
  4. Step 4: Simplify right side
    427,042x = 139,105,221,757.62
  5. Step 5: Solve for x
    x = 139,105,221,757.62/427,042
  6. Step 6: Final answer
    x = 325,741.31

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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.