Home / 261,300.27-360,551.07-153,831.09

Finding the Fourth Proportional to 261,300.27, 360,551.07 and 153,831.09

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Solution

The fourth proportional to 261,300.27, 360,551.07 and 153,831.09 is: 212,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,300.27 : 360,551.07 = 153,831.09 : x
  2. Step 2: Convert to fraction form
    261,300.27/360,551.07 = 153,831.09/x
  3. Step 3: Cross multiply
    261,300.27x = 360,551.07 × 153,831.09
  4. Step 4: Simplify right side
    261,300.27x = 55,463,964,098.77
  5. Step 5: Solve for x
    x = 55,463,964,098.77/261,300.27
  6. Step 6: Final answer
    x = 212,261.41

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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.