Home / 317,983.12-476,606.04-299,551.12

Finding the Fourth Proportional to 317,983.12, 476,606.04 and 299,551.12

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Solution

The fourth proportional to 317,983.12, 476,606.04 and 299,551.12 is: 448,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,983.12 : 476,606.04 = 299,551.12 : x
  2. Step 2: Convert to fraction form
    317,983.12/476,606.04 = 299,551.12/x
  3. Step 3: Cross multiply
    317,983.12x = 476,606.04 × 299,551.12
  4. Step 4: Simplify right side
    317,983.12x = 142,767,873,080.77
  5. Step 5: Solve for x
    x = 142,767,873,080.77/317,983.12
  6. Step 6: Final answer
    x = 448,979.41

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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.