Home / 402,815.04-604,271.76-136,651.68

Finding the Fourth Proportional to 402,815.04, 604,271.76 and 136,651.68

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Solution

The fourth proportional to 402,815.04, 604,271.76 and 136,651.68 is: 204,994.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,815.04 : 604,271.76 = 136,651.68 : x
  2. Step 2: Convert to fraction form
    402,815.04/604,271.76 = 136,651.68/x
  3. Step 3: Cross multiply
    402,815.04x = 604,271.76 × 136,651.68
  4. Step 4: Simplify right side
    402,815.04x = 82,574,751,180.56
  5. Step 5: Solve for x
    x = 82,574,751,180.56/402,815.04
  6. Step 6: Final answer
    x = 204,994.21

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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.