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Finding the Fourth Proportional to 304,803, 420,628.14 and 170,669.88

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Solution

The fourth proportional to 304,803, 420,628.14 and 170,669.88 is: 235,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,803 : 420,628.14 = 170,669.88 : x
  2. Step 2: Convert to fraction form
    304,803/420,628.14 = 170,669.88/x
  3. Step 3: Cross multiply
    304,803x = 420,628.14 × 170,669.88
  4. Step 4: Simplify right side
    304,803x = 71,788,554,178.42
  5. Step 5: Solve for x
    x = 71,788,554,178.42/304,803
  6. Step 6: Final answer
    x = 235,524.43

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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.