Home / 291,454.08-437,196.75-91,790.01

Finding the Fourth Proportional to 291,454.08, 437,196.75 and 91,790.01

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Solution

The fourth proportional to 291,454.08, 437,196.75 and 91,790.01 is: 137,689.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,454.08 : 437,196.75 = 91,790.01 : x
  2. Step 2: Convert to fraction form
    291,454.08/437,196.75 = 91,790.01/x
  3. Step 3: Cross multiply
    291,454.08x = 437,196.75 × 91,790.01
  4. Step 4: Simplify right side
    291,454.08x = 40,130,294,054.47
  5. Step 5: Solve for x
    x = 40,130,294,054.47/291,454.08
  6. Step 6: Final answer
    x = 137,689.94

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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.