Home / 274,666.49-379,039.70-152,166.83

Finding the Fourth Proportional to 274,666.49, 379,039.70 and 152,166.83

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Solution

The fourth proportional to 274,666.49, 379,039.70 and 152,166.83 is: 209,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,666.49 : 379,039.70 = 152,166.83 : x
  2. Step 2: Convert to fraction form
    274,666.49/379,039.70 = 152,166.83/x
  3. Step 3: Cross multiply
    274,666.49x = 379,039.70 × 152,166.83
  4. Step 4: Simplify right side
    274,666.49x = 57,677,268,832.32
  5. Step 5: Solve for x
    x = 57,677,268,832.32/274,666.49
  6. Step 6: Final answer
    x = 209,990.20

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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.