Home / 338,929.04-508,406.82-102,271.76

Finding the Fourth Proportional to 338,929.04, 508,406.82 and 102,271.76

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Solution

The fourth proportional to 338,929.04, 508,406.82 and 102,271.76 is: 153,411.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,929.04 : 508,406.82 = 102,271.76 : x
  2. Step 2: Convert to fraction form
    338,929.04/508,406.82 = 102,271.76/x
  3. Step 3: Cross multiply
    338,929.04x = 508,406.82 × 102,271.76
  4. Step 4: Simplify right side
    338,929.04x = 51,995,660,277.40
  5. Step 5: Solve for x
    x = 51,995,660,277.40/338,929.04
  6. Step 6: Final answer
    x = 153,411.64

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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.