Home / 427,153.31-589,449.93-236,129.80

Finding the Fourth Proportional to 427,153.31, 589,449.93 and 236,129.80

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Solution

The fourth proportional to 427,153.31, 589,449.93 and 236,129.80 is: 325,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,153.31 : 589,449.93 = 236,129.80 : x
  2. Step 2: Convert to fraction form
    427,153.31/589,449.93 = 236,129.80/x
  3. Step 3: Cross multiply
    427,153.31x = 589,449.93 × 236,129.80
  4. Step 4: Simplify right side
    427,153.31x = 139,186,692,827.02
  5. Step 5: Solve for x
    x = 139,186,692,827.02/427,153.31
  6. Step 6: Final answer
    x = 325,847.16

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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.