Home / 259,666.20-389,264.18-101,852.28

Finding the Fourth Proportional to 259,666.20, 389,264.18 and 101,852.28

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Solution

The fourth proportional to 259,666.20, 389,264.18 and 101,852.28 is: 152,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,666.20 : 389,264.18 = 101,852.28 : x
  2. Step 2: Convert to fraction form
    259,666.20/389,264.18 = 101,852.28/x
  3. Step 3: Cross multiply
    259,666.20x = 389,264.18 × 101,852.28
  4. Step 4: Simplify right side
    259,666.20x = 39,647,443,746.07
  5. Step 5: Solve for x
    x = 39,647,443,746.07/259,666.20
  6. Step 6: Final answer
    x = 152,686.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.