Home / 274,527.96-378,855-153,666.24

Finding the Fourth Proportional to 274,527.96, 378,855 and 153,666.24

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Solution

The fourth proportional to 274,527.96, 378,855 and 153,666.24 is: 212,063.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,527.96 : 378,855 = 153,666.24 : x
  2. Step 2: Convert to fraction form
    274,527.96/378,855 = 153,666.24/x
  3. Step 3: Cross multiply
    274,527.96x = 378,855 × 153,666.24
  4. Step 4: Simplify right side
    274,527.96x = 58,217,223,355.20
  5. Step 5: Solve for x
    x = 58,217,223,355.20/274,527.96
  6. Step 6: Final answer
    x = 212,063.00

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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.