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Finding the Fourth Proportional to 304,637.06, 420,399.09 and 170,501.06

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Solution

The fourth proportional to 304,637.06, 420,399.09 and 170,501.06 is: 235,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,637.06 : 420,399.09 = 170,501.06 : x
  2. Step 2: Convert to fraction form
    304,637.06/420,399.09 = 170,501.06/x
  3. Step 3: Cross multiply
    304,637.06x = 420,399.09 × 170,501.06
  4. Step 4: Simplify right side
    304,637.06x = 71,678,490,468.04
  5. Step 5: Solve for x
    x = 71,678,490,468.04/304,637.06
  6. Step 6: Final answer
    x = 235,291.43

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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.