Home / 259,242.09-390,263.60-233,172.31

Finding the Fourth Proportional to 259,242.09, 390,263.60 and 233,172.31

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Solution

The fourth proportional to 259,242.09, 390,263.60 and 233,172.31 is: 351,018.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,242.09 : 390,263.60 = 233,172.31 : x
  2. Step 2: Convert to fraction form
    259,242.09/390,263.60 = 233,172.31/x
  3. Step 3: Cross multiply
    259,242.09x = 390,263.60 × 233,172.31
  4. Step 4: Simplify right side
    259,242.09x = 90,998,662,979.40
  5. Step 5: Solve for x
    x = 90,998,662,979.40/259,242.09
  6. Step 6: Final answer
    x = 351,018.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.