Home / 291,005.24-436,581.63-91,327.32

Finding the Fourth Proportional to 291,005.24, 436,581.63 and 91,327.32

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Solution

The fourth proportional to 291,005.24, 436,581.63 and 91,327.32 is: 137,014.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,005.24 : 436,581.63 = 91,327.32 : x
  2. Step 2: Convert to fraction form
    291,005.24/436,581.63 = 91,327.32/x
  3. Step 3: Cross multiply
    291,005.24x = 436,581.63 × 91,327.32
  4. Step 4: Simplify right side
    291,005.24x = 39,871,830,229.13
  5. Step 5: Solve for x
    x = 39,871,830,229.13/291,005.24
  6. Step 6: Final answer
    x = 137,014.13

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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.