Home / 221,045.10-304,800.48-149,300.52

Finding the Fourth Proportional to 221,045.10, 304,800.48 and 149,300.52

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Solution

The fourth proportional to 221,045.10, 304,800.48 and 149,300.52 is: 205,871.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,045.10 : 304,800.48 = 149,300.52 : x
  2. Step 2: Convert to fraction form
    221,045.10/304,800.48 = 149,300.52/x
  3. Step 3: Cross multiply
    221,045.10x = 304,800.48 × 149,300.52
  4. Step 4: Simplify right side
    221,045.10x = 45,506,870,160.25
  5. Step 5: Solve for x
    x = 45,506,870,160.25/221,045.10
  6. Step 6: Final answer
    x = 205,871.43

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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.