Home / 307,852.28-424,831.73-171,888.36

Finding the Fourth Proportional to 307,852.28, 424,831.73 and 171,888.36

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Solution

The fourth proportional to 307,852.28, 424,831.73 and 171,888.36 is: 237,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,852.28 : 424,831.73 = 171,888.36 : x
  2. Step 2: Convert to fraction form
    307,852.28/424,831.73 = 171,888.36/x
  3. Step 3: Cross multiply
    307,852.28x = 424,831.73 × 171,888.36
  4. Step 4: Simplify right side
    307,852.28x = 73,023,628,486.22
  5. Step 5: Solve for x
    x = 73,023,628,486.22/307,852.28
  6. Step 6: Final answer
    x = 237,203.47

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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.