Home / 427,909.89-590,534.10-236,923.28

Finding the Fourth Proportional to 427,909.89, 590,534.10 and 236,923.28

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Solution

The fourth proportional to 427,909.89, 590,534.10 and 236,923.28 is: 326,964.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,909.89 : 590,534.10 = 236,923.28 : x
  2. Step 2: Convert to fraction form
    427,909.89/590,534.10 = 236,923.28/x
  3. Step 3: Cross multiply
    427,909.89x = 590,534.10 × 236,923.28
  4. Step 4: Simplify right side
    427,909.89x = 139,911,274,297.22
  5. Step 5: Solve for x
    x = 139,911,274,297.22/427,909.89
  6. Step 6: Final answer
    x = 326,964.34

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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.