Home / 451,756.22-677,386.92-208,333.13

Finding the Fourth Proportional to 451,756.22, 677,386.92 and 208,333.13

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Solution

The fourth proportional to 451,756.22, 677,386.92 and 208,333.13 is: 312,385.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,756.22 : 677,386.92 = 208,333.13 : x
  2. Step 2: Convert to fraction form
    451,756.22/677,386.92 = 208,333.13/x
  3. Step 3: Cross multiply
    451,756.22x = 677,386.92 × 208,333.13
  4. Step 4: Simplify right side
    451,756.22x = 141,122,137,264.66
  5. Step 5: Solve for x
    x = 141,122,137,264.66/451,756.22
  6. Step 6: Final answer
    x = 312,385.60

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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.