Home / 451,465.78-676,721.22-166,973.50

Finding the Fourth Proportional to 451,465.78, 676,721.22 and 166,973.50

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Solution

The fourth proportional to 451,465.78, 676,721.22 and 166,973.50 is: 250,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,465.78 : 676,721.22 = 166,973.50 : x
  2. Step 2: Convert to fraction form
    451,465.78/676,721.22 = 166,973.50/x
  3. Step 3: Cross multiply
    451,465.78x = 676,721.22 × 166,973.50
  4. Step 4: Simplify right side
    451,465.78x = 112,994,510,627.67
  5. Step 5: Solve for x
    x = 112,994,510,627.67/451,465.78
  6. Step 6: Final answer
    x = 250,283.67

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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.