Home / 352,646.07-486,983.71-245,509.05

Finding the Fourth Proportional to 352,646.07, 486,983.71 and 245,509.05

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Solution

The fourth proportional to 352,646.07, 486,983.71 and 245,509.05 is: 339,033.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,646.07 : 486,983.71 = 245,509.05 : x
  2. Step 2: Convert to fraction form
    352,646.07/486,983.71 = 245,509.05/x
  3. Step 3: Cross multiply
    352,646.07x = 486,983.71 × 245,509.05
  4. Step 4: Simplify right side
    352,646.07x = 119,558,908,007.58
  5. Step 5: Solve for x
    x = 119,558,908,007.58/352,646.07
  6. Step 6: Final answer
    x = 339,033.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.