Home / 304,916.21-457,530.44-145,172.87

Finding the Fourth Proportional to 304,916.21, 457,530.44 and 145,172.87

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Solution

The fourth proportional to 304,916.21, 457,530.44 and 145,172.87 is: 217,833.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,916.21 : 457,530.44 = 145,172.87 : x
  2. Step 2: Convert to fraction form
    304,916.21/457,530.44 = 145,172.87/x
  3. Step 3: Cross multiply
    304,916.21x = 457,530.44 × 145,172.87
  4. Step 4: Simplify right side
    304,916.21x = 66,421,007,087.16
  5. Step 5: Solve for x
    x = 66,421,007,087.16/304,916.21
  6. Step 6: Final answer
    x = 217,833.64

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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.