Home / 427,735.09-590,267.28-236,744.38

Finding the Fourth Proportional to 427,735.09, 590,267.28 and 236,744.38

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Solution

The fourth proportional to 427,735.09, 590,267.28 and 236,744.38 is: 326,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,735.09 : 590,267.28 = 236,744.38 : x
  2. Step 2: Convert to fraction form
    427,735.09/590,267.28 = 236,744.38/x
  3. Step 3: Cross multiply
    427,735.09x = 590,267.28 × 236,744.38
  4. Step 4: Simplify right side
    427,735.09x = 139,742,461,237.89
  5. Step 5: Solve for x
    x = 139,742,461,237.89/427,735.09
  6. Step 6: Final answer
    x = 326,703.29

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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.