Home / 291,727.42-437,665.02-81,365.32

Finding the Fourth Proportional to 291,727.42, 437,665.02 and 81,365.32

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Solution

The fourth proportional to 291,727.42, 437,665.02 and 81,365.32 is: 122,068.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,727.42 : 437,665.02 = 81,365.32 : x
  2. Step 2: Convert to fraction form
    291,727.42/437,665.02 = 81,365.32/x
  3. Step 3: Cross multiply
    291,727.42x = 437,665.02 × 81,365.32
  4. Step 4: Simplify right side
    291,727.42x = 35,610,754,405.11
  5. Step 5: Solve for x
    x = 35,610,754,405.11/291,727.42
  6. Step 6: Final answer
    x = 122,068.59

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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.