Home / 291,798.09-437,660.22-78,583.04

Finding the Fourth Proportional to 291,798.09, 437,660.22 and 78,583.04

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Solution

The fourth proportional to 291,798.09, 437,660.22 and 78,583.04 is: 117,864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,798.09 : 437,660.22 = 78,583.04 : x
  2. Step 2: Convert to fraction form
    291,798.09/437,660.22 = 78,583.04/x
  3. Step 3: Cross multiply
    291,798.09x = 437,660.22 × 78,583.04
  4. Step 4: Simplify right side
    291,798.09x = 34,392,668,386.37
  5. Step 5: Solve for x
    x = 34,392,668,386.37/291,798.09
  6. Step 6: Final answer
    x = 117,864.61

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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.