Home / 451,431.02-676,669.10-166,938.77

Finding the Fourth Proportional to 451,431.02, 676,669.10 and 166,938.77

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Solution

The fourth proportional to 451,431.02, 676,669.10 and 166,938.77 is: 250,231.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,431.02 : 676,669.10 = 166,938.77 : x
  2. Step 2: Convert to fraction form
    451,431.02/676,669.10 = 166,938.77/x
  3. Step 3: Cross multiply
    451,431.02x = 676,669.10 × 166,938.77
  4. Step 4: Simplify right side
    451,431.02x = 112,962,303,032.97
  5. Step 5: Solve for x
    x = 112,962,303,032.97/451,431.02
  6. Step 6: Final answer
    x = 250,231.60

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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.