Home / 445,567.19-668,280.13-141,921.95

Finding the Fourth Proportional to 445,567.19, 668,280.13 and 141,921.95

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Solution

The fourth proportional to 445,567.19, 668,280.13 and 141,921.95 is: 212,860.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,567.19 : 668,280.13 = 141,921.95 : x
  2. Step 2: Convert to fraction form
    445,567.19/668,280.13 = 141,921.95/x
  3. Step 3: Cross multiply
    445,567.19x = 668,280.13 × 141,921.95
  4. Step 4: Simplify right side
    445,567.19x = 94,843,615,499.65
  5. Step 5: Solve for x
    x = 94,843,615,499.65/445,567.19
  6. Step 6: Final answer
    x = 212,860.41

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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.