Home / 291,657.24-437,495.31-91,979.55

Finding the Fourth Proportional to 291,657.24, 437,495.31 and 91,979.55

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Solution

The fourth proportional to 291,657.24, 437,495.31 and 91,979.55 is: 137,972.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,657.24 : 437,495.31 = 91,979.55 : x
  2. Step 2: Convert to fraction form
    291,657.24/437,495.31 = 91,979.55/x
  3. Step 3: Cross multiply
    291,657.24x = 437,495.31 × 91,979.55
  4. Step 4: Simplify right side
    291,657.24x = 40,240,621,740.91
  5. Step 5: Solve for x
    x = 40,240,621,740.91/291,657.24
  6. Step 6: Final answer
    x = 137,972.31

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1.5x scale

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.