Home / 304,542.16-420,261.52-166,720.76

Finding the Fourth Proportional to 304,542.16, 420,261.52 and 166,720.76

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Solution

The fourth proportional to 304,542.16, 420,261.52 and 166,720.76 is: 230,071.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,542.16 : 420,261.52 = 166,720.76 : x
  2. Step 2: Convert to fraction form
    304,542.16/420,261.52 = 166,720.76/x
  3. Step 3: Cross multiply
    304,542.16x = 420,261.52 × 166,720.76
  4. Step 4: Simplify right side
    304,542.16x = 70,066,320,013.16
  5. Step 5: Solve for x
    x = 70,066,320,013.16/304,542.16
  6. Step 6: Final answer
    x = 230,071.00

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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.