Home / 427,202.15-589,539.11-243,435.46

Finding the Fourth Proportional to 427,202.15, 589,539.11 and 243,435.46

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Solution

The fourth proportional to 427,202.15, 589,539.11 and 243,435.46 is: 335,941.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,202.15 : 589,539.11 = 243,435.46 : x
  2. Step 2: Convert to fraction form
    427,202.15/589,539.11 = 243,435.46/x
  3. Step 3: Cross multiply
    427,202.15x = 589,539.11 × 243,435.46
  4. Step 4: Simplify right side
    427,202.15x = 143,514,721,483.15
  5. Step 5: Solve for x
    x = 143,514,721,483.15/427,202.15
  6. Step 6: Final answer
    x = 335,941.01

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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.