Home / 255,831.48-352,938.54-187,730.14

Finding the Fourth Proportional to 255,831.48, 352,938.54 and 187,730.14

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Solution

The fourth proportional to 255,831.48, 352,938.54 and 187,730.14 is: 258,987.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,831.48 : 352,938.54 = 187,730.14 : x
  2. Step 2: Convert to fraction form
    255,831.48/352,938.54 = 187,730.14/x
  3. Step 3: Cross multiply
    255,831.48x = 352,938.54 × 187,730.14
  4. Step 4: Simplify right side
    255,831.48x = 66,257,201,525.60
  5. Step 5: Solve for x
    x = 66,257,201,525.60/255,831.48
  6. Step 6: Final answer
    x = 258,987.68

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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.