Home / 291,210.52-436,815.38-91,548.36

Finding the Fourth Proportional to 291,210.52, 436,815.38 and 91,548.36

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Solution

The fourth proportional to 291,210.52, 436,815.38 and 91,548.36 is: 137,322.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,210.52 : 436,815.38 = 91,548.36 : x
  2. Step 2: Convert to fraction form
    291,210.52/436,815.38 = 91,548.36/x
  3. Step 3: Cross multiply
    291,210.52x = 436,815.38 × 91,548.36
  4. Step 4: Simplify right side
    291,210.52x = 39,989,731,661.78
  5. Step 5: Solve for x
    x = 39,989,731,661.78/291,210.52
  6. Step 6: Final answer
    x = 137,322.41

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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.