Home / 385,172.08-531,548.73-210,752.75

Finding the Fourth Proportional to 385,172.08, 531,548.73 and 210,752.75

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Solution

The fourth proportional to 385,172.08, 531,548.73 and 210,752.75 is: 290,844.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,172.08 : 531,548.73 = 210,752.75 : x
  2. Step 2: Convert to fraction form
    385,172.08/531,548.73 = 210,752.75/x
  3. Step 3: Cross multiply
    385,172.08x = 531,548.73 × 210,752.75
  4. Step 4: Simplify right side
    385,172.08x = 112,025,357,935.38
  5. Step 5: Solve for x
    x = 112,025,357,935.38/385,172.08
  6. Step 6: Final answer
    x = 290,844.96

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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.