Home / 662,112.29-993,261.85-212,682.50

Finding the Fourth Proportional to 662,112.29, 993,261.85 and 212,682.50

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Solution

The fourth proportional to 662,112.29, 993,261.85 and 212,682.50 is: 319,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,112.29 : 993,261.85 = 212,682.50 : x
  2. Step 2: Convert to fraction form
    662,112.29/993,261.85 = 212,682.50/x
  3. Step 3: Cross multiply
    662,112.29x = 993,261.85 × 212,682.50
  4. Step 4: Simplify right side
    662,112.29x = 211,249,416,004.67
  5. Step 5: Solve for x
    x = 211,249,416,004.67/662,112.29
  6. Step 6: Final answer
    x = 319,053.76

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1.5x scale

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.