Home / 427,122.07-589,440.75-236,147.77

Finding the Fourth Proportional to 427,122.07, 589,440.75 and 236,147.77

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Solution

The fourth proportional to 427,122.07, 589,440.75 and 236,147.77 is: 325,890.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,122.07 : 589,440.75 = 236,147.77 : x
  2. Step 2: Convert to fraction form
    427,122.07/589,440.75 = 236,147.77/x
  3. Step 3: Cross multiply
    427,122.07x = 589,440.75 × 236,147.77
  4. Step 4: Simplify right side
    427,122.07x = 139,195,118,659.63
  5. Step 5: Solve for x
    x = 139,195,118,659.63/427,122.07
  6. Step 6: Final answer
    x = 325,890.72

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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.