Home / 291,721.08-437,659.41-104,734.20

Finding the Fourth Proportional to 291,721.08, 437,659.41 and 104,734.20

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Solution

The fourth proportional to 291,721.08, 437,659.41 and 104,734.20 is: 157,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,721.08 : 437,659.41 = 104,734.20 : x
  2. Step 2: Convert to fraction form
    291,721.08/437,659.41 = 104,734.20/x
  3. Step 3: Cross multiply
    291,721.08x = 437,659.41 × 104,734.20
  4. Step 4: Simplify right side
    291,721.08x = 45,837,908,178.82
  5. Step 5: Solve for x
    x = 45,837,908,178.82/291,721.08
  6. Step 6: Final answer
    x = 157,129.23

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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.