Home / 291,018.24-436,603.32-91,344.96

Finding the Fourth Proportional to 291,018.24, 436,603.32 and 91,344.96

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Solution

The fourth proportional to 291,018.24, 436,603.32 and 91,344.96 is: 137,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,018.24 : 436,603.32 = 91,344.96 : x
  2. Step 2: Convert to fraction form
    291,018.24/436,603.32 = 91,344.96/x
  3. Step 3: Cross multiply
    291,018.24x = 436,603.32 × 91,344.96
  4. Step 4: Simplify right side
    291,018.24x = 39,881,512,801.27
  5. Step 5: Solve for x
    x = 39,881,512,801.27/291,018.24
  6. Step 6: Final answer
    x = 137,041.28

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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.