Home / 291,303.36-436,644-207,944.64

Finding the Fourth Proportional to 291,303.36, 436,644 and 207,944.64

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Solution

The fourth proportional to 291,303.36, 436,644 and 207,944.64 is: 311,694.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,303.36 : 436,644 = 207,944.64 : x
  2. Step 2: Convert to fraction form
    291,303.36/436,644 = 207,944.64/x
  3. Step 3: Cross multiply
    291,303.36x = 436,644 × 207,944.64
  4. Step 4: Simplify right side
    291,303.36x = 90,797,779,388.16
  5. Step 5: Solve for x
    x = 90,797,779,388.16/291,303.36
  6. Step 6: Final answer
    x = 311,694.93

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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.