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Finding the Fourth Proportional to 304,477.42, 420,137.25 and 175,367.87

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Solution

The fourth proportional to 304,477.42, 420,137.25 and 175,367.87 is: 241,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,477.42 : 420,137.25 = 175,367.87 : x
  2. Step 2: Convert to fraction form
    304,477.42/420,137.25 = 175,367.87/x
  3. Step 3: Cross multiply
    304,477.42x = 420,137.25 × 175,367.87
  4. Step 4: Simplify right side
    304,477.42x = 73,678,575,820.63
  5. Step 5: Solve for x
    x = 73,678,575,820.63/304,477.42
  6. Step 6: Final answer
    x = 241,983.71

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1.5x scale

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.