Home / 427,743.86-590,224.75-236,756.80

Finding the Fourth Proportional to 427,743.86, 590,224.75 and 236,756.80

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Solution

The fourth proportional to 427,743.86, 590,224.75 and 236,756.80 is: 326,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,743.86 : 590,224.75 = 236,756.80 : x
  2. Step 2: Convert to fraction form
    427,743.86/590,224.75 = 236,756.80/x
  3. Step 3: Cross multiply
    427,743.86x = 590,224.75 × 236,756.80
  4. Step 4: Simplify right side
    427,743.86x = 139,739,721,023.35
  5. Step 5: Solve for x
    x = 139,739,721,023.35/427,743.86
  6. Step 6: Final answer
    x = 326,690.18

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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.