Home / 304,880.22-457,320.60-127,290.42

Finding the Fourth Proportional to 304,880.22, 457,320.60 and 127,290.42

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Solution

The fourth proportional to 304,880.22, 457,320.60 and 127,290.42 is: 190,935.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,880.22 : 457,320.60 = 127,290.42 : x
  2. Step 2: Convert to fraction form
    304,880.22/457,320.60 = 127,290.42/x
  3. Step 3: Cross multiply
    304,880.22x = 457,320.60 × 127,290.42
  4. Step 4: Simplify right side
    304,880.22x = 58,212,531,248.65
  5. Step 5: Solve for x
    x = 58,212,531,248.65/304,880.22
  6. Step 6: Final answer
    x = 190,935.74

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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.