Home / 351,669.74-525,997.53-326,143.40

Finding the Fourth Proportional to 351,669.74, 525,997.53 and 326,143.40

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Solution

The fourth proportional to 351,669.74, 525,997.53 and 326,143.40 is: 487,817.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,669.74 : 525,997.53 = 326,143.40 : x
  2. Step 2: Convert to fraction form
    351,669.74/525,997.53 = 326,143.40/x
  3. Step 3: Cross multiply
    351,669.74x = 525,997.53 × 326,143.40
  4. Step 4: Simplify right side
    351,669.74x = 171,550,620,195.81
  5. Step 5: Solve for x
    x = 171,550,620,195.81/351,669.74
  6. Step 6: Final answer
    x = 487,817.41

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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.