Home / 348,831.31-522,333.51-228,509.86

Finding the Fourth Proportional to 348,831.31, 522,333.51 and 228,509.86

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Solution

The fourth proportional to 348,831.31, 522,333.51 and 228,509.86 is: 342,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,831.31 : 522,333.51 = 228,509.86 : x
  2. Step 2: Convert to fraction form
    348,831.31/522,333.51 = 228,509.86/x
  3. Step 3: Cross multiply
    348,831.31x = 522,333.51 × 228,509.86
  4. Step 4: Simplify right side
    348,831.31x = 119,358,357,345.41
  5. Step 5: Solve for x
    x = 119,358,357,345.41/348,831.31
  6. Step 6: Final answer
    x = 342,166.41

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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.