Home / 303,327.90-455,063.04-103,649.94

Finding the Fourth Proportional to 303,327.90, 455,063.04 and 103,649.94

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Solution

The fourth proportional to 303,327.90, 455,063.04 and 103,649.94 is: 155,499.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,327.90 : 455,063.04 = 103,649.94 : x
  2. Step 2: Convert to fraction form
    303,327.90/455,063.04 = 103,649.94/x
  3. Step 3: Cross multiply
    303,327.90x = 455,063.04 × 103,649.94
  4. Step 4: Simplify right side
    303,327.90x = 47,167,256,792.22
  5. Step 5: Solve for x
    x = 47,167,256,792.22/303,327.90
  6. Step 6: Final answer
    x = 155,499.24

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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.