Home / 304,953.02-420,835.20-170,817.02

Finding the Fourth Proportional to 304,953.02, 420,835.20 and 170,817.02

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Solution

The fourth proportional to 304,953.02, 420,835.20 and 170,817.02 is: 235,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,953.02 : 420,835.20 = 170,817.02 : x
  2. Step 2: Convert to fraction form
    304,953.02/420,835.20 = 170,817.02/x
  3. Step 3: Cross multiply
    304,953.02x = 420,835.20 × 170,817.02
  4. Step 4: Simplify right side
    304,953.02x = 71,885,814,775.10
  5. Step 5: Solve for x
    x = 71,885,814,775.10/304,953.02
  6. Step 6: Final answer
    x = 235,727.51

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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.