Home / 445,555.17-668,305.08-141,941.82

Finding the Fourth Proportional to 445,555.17, 668,305.08 and 141,941.82

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Solution

The fourth proportional to 445,555.17, 668,305.08 and 141,941.82 is: 212,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,555.17 : 668,305.08 = 141,941.82 : x
  2. Step 2: Convert to fraction form
    445,555.17/668,305.08 = 141,941.82/x
  3. Step 3: Cross multiply
    445,555.17x = 668,305.08 × 141,941.82
  4. Step 4: Simplify right side
    445,555.17x = 94,860,437,825.36
  5. Step 5: Solve for x
    x = 94,860,437,825.36/445,555.17
  6. Step 6: Final answer
    x = 212,903.91

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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.