Home / 282,222.02-389,465.82-154,894.88

Finding the Fourth Proportional to 282,222.02, 389,465.82 and 154,894.88

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Solution

The fourth proportional to 282,222.02, 389,465.82 and 154,894.88 is: 213,754.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,222.02 : 389,465.82 = 154,894.88 : x
  2. Step 2: Convert to fraction form
    282,222.02/389,465.82 = 154,894.88/x
  3. Step 3: Cross multiply
    282,222.02x = 389,465.82 × 154,894.88
  4. Step 4: Simplify right side
    282,222.02x = 60,326,262,426.67
  5. Step 5: Solve for x
    x = 60,326,262,426.67/282,222.02
  6. Step 6: Final answer
    x = 213,754.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.