Home / 291,828.11-437,826.73-121,018.05

Finding the Fourth Proportional to 291,828.11, 437,826.73 and 121,018.05

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Solution

The fourth proportional to 291,828.11, 437,826.73 and 121,018.05 is: 181,562.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,828.11 : 437,826.73 = 121,018.05 : x
  2. Step 2: Convert to fraction form
    291,828.11/437,826.73 = 121,018.05/x
  3. Step 3: Cross multiply
    291,828.11x = 437,826.73 × 121,018.05
  4. Step 4: Simplify right side
    291,828.11x = 52,984,937,102.48
  5. Step 5: Solve for x
    x = 52,984,937,102.48/291,828.11
  6. Step 6: Final answer
    x = 181,562.15

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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.