Home / 461,386.12-636,315.06-300,182.28

Finding the Fourth Proportional to 461,386.12, 636,315.06 and 300,182.28

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Solution

The fourth proportional to 461,386.12, 636,315.06 and 300,182.28 is: 413,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,386.12 : 636,315.06 = 300,182.28 : x
  2. Step 2: Convert to fraction form
    461,386.12/636,315.06 = 300,182.28/x
  3. Step 3: Cross multiply
    461,386.12x = 636,315.06 × 300,182.28
  4. Step 4: Simplify right side
    461,386.12x = 191,010,505,509.14
  5. Step 5: Solve for x
    x = 191,010,505,509.14/461,386.12
  6. Step 6: Final answer
    x = 413,992.74

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1.5x scale

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.