Home / 427,314.42-589,642.74-236,301.84

Finding the Fourth Proportional to 427,314.42, 589,642.74 and 236,301.84

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Solution

The fourth proportional to 427,314.42, 589,642.74 and 236,301.84 is: 326,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,314.42 : 589,642.74 = 236,301.84 : x
  2. Step 2: Convert to fraction form
    427,314.42/589,642.74 = 236,301.84/x
  3. Step 3: Cross multiply
    427,314.42x = 589,642.74 × 236,301.84
  4. Step 4: Simplify right side
    427,314.42x = 139,333,664,404.64
  5. Step 5: Solve for x
    x = 139,333,664,404.64/427,314.42
  6. Step 6: Final answer
    x = 326,068.25

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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.