Home / 427,945.91-590,558.13-236,955.20

Finding the Fourth Proportional to 427,945.91, 590,558.13 and 236,955.20

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Solution

The fourth proportional to 427,945.91, 590,558.13 and 236,955.20 is: 326,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,945.91 : 590,558.13 = 236,955.20 : x
  2. Step 2: Convert to fraction form
    427,945.91/590,558.13 = 236,955.20/x
  3. Step 3: Cross multiply
    427,945.91x = 590,558.13 × 236,955.20
  4. Step 4: Simplify right side
    427,945.91x = 139,935,816,852.99
  5. Step 5: Solve for x
    x = 139,935,816,852.99/427,945.91
  6. Step 6: Final answer
    x = 326,994.17

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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.