Home / 304,521.30-420,266.70-168,587.10

Finding the Fourth Proportional to 304,521.30, 420,266.70 and 168,587.10

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Solution

The fourth proportional to 304,521.30, 420,266.70 and 168,587.10 is: 232,665.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,521.30 : 420,266.70 = 168,587.10 : x
  2. Step 2: Convert to fraction form
    304,521.30/420,266.70 = 168,587.10/x
  3. Step 3: Cross multiply
    304,521.30x = 420,266.70 × 168,587.10
  4. Step 4: Simplify right side
    304,521.30x = 70,851,544,179.57
  5. Step 5: Solve for x
    x = 70,851,544,179.57/304,521.30
  6. Step 6: Final answer
    x = 232,665.31

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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.