Home / 354,440.32-531,569.68-105,064

Finding the Fourth Proportional to 354,440.32, 531,569.68 and 105,064

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Solution

The fourth proportional to 354,440.32, 531,569.68 and 105,064 is: 157,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,440.32 : 531,569.68 = 105,064 : x
  2. Step 2: Convert to fraction form
    354,440.32/531,569.68 = 105,064/x
  3. Step 3: Cross multiply
    354,440.32x = 531,569.68 × 105,064
  4. Step 4: Simplify right side
    354,440.32x = 55,848,836,859.52
  5. Step 5: Solve for x
    x = 55,848,836,859.52/354,440.32
  6. Step 6: Final answer
    x = 157,569.08

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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.