Home / 371,280.21-556,831.06-171,408.61

Finding the Fourth Proportional to 371,280.21, 556,831.06 and 171,408.61

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Solution

The fourth proportional to 371,280.21, 556,831.06 and 171,408.61 is: 257,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,280.21 : 556,831.06 = 171,408.61 : x
  2. Step 2: Convert to fraction form
    371,280.21/556,831.06 = 171,408.61/x
  3. Step 3: Cross multiply
    371,280.21x = 556,831.06 × 171,408.61
  4. Step 4: Simplify right side
    371,280.21x = 95,445,637,999.43
  5. Step 5: Solve for x
    x = 95,445,637,999.43/371,280.21
  6. Step 6: Final answer
    x = 257,071.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.