Home / 427,817.49-590,395.10-234,221.93

Finding the Fourth Proportional to 427,817.49, 590,395.10 and 234,221.93

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Solution

The fourth proportional to 427,817.49, 590,395.10 and 234,221.93 is: 323,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,817.49 : 590,395.10 = 234,221.93 : x
  2. Step 2: Convert to fraction form
    427,817.49/590,395.10 = 234,221.93/x
  3. Step 3: Cross multiply
    427,817.49x = 590,395.10 × 234,221.93
  4. Step 4: Simplify right side
    427,817.49x = 138,283,479,784.54
  5. Step 5: Solve for x
    x = 138,283,479,784.54/427,817.49
  6. Step 6: Final answer
    x = 323,230.08

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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.