Home / 304,633.23-420,484.96-197,210.51

Finding the Fourth Proportional to 304,633.23, 420,484.96 and 197,210.51

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Solution

The fourth proportional to 304,633.23, 420,484.96 and 197,210.51 is: 272,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,633.23 : 420,484.96 = 197,210.51 : x
  2. Step 2: Convert to fraction form
    304,633.23/420,484.96 = 197,210.51/x
  3. Step 3: Cross multiply
    304,633.23x = 420,484.96 × 197,210.51
  4. Step 4: Simplify right side
    304,633.23x = 82,924,053,408.93
  5. Step 5: Solve for x
    x = 82,924,053,408.93/304,633.23
  6. Step 6: Final answer
    x = 272,209.48

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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.