Home / 309,275.07-426,810.02-295,103.31

Finding the Fourth Proportional to 309,275.07, 426,810.02 and 295,103.31

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Solution

The fourth proportional to 309,275.07, 426,810.02 and 295,103.31 is: 407,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,275.07 : 426,810.02 = 295,103.31 : x
  2. Step 2: Convert to fraction form
    309,275.07/426,810.02 = 295,103.31/x
  3. Step 3: Cross multiply
    309,275.07x = 426,810.02 × 295,103.31
  4. Step 4: Simplify right side
    309,275.07x = 125,953,048,167.65
  5. Step 5: Solve for x
    x = 125,953,048,167.65/309,275.07
  6. Step 6: Final answer
    x = 407,252.51

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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.