Home / 200,427.02-300,668.14-67,345.30

Finding the Fourth Proportional to 200,427.02, 300,668.14 and 67,345.30

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Solution

The fourth proportional to 200,427.02, 300,668.14 and 67,345.30 is: 101,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,427.02 : 300,668.14 = 67,345.30 : x
  2. Step 2: Convert to fraction form
    200,427.02/300,668.14 = 67,345.30/x
  3. Step 3: Cross multiply
    200,427.02x = 300,668.14 × 67,345.30
  4. Step 4: Simplify right side
    200,427.02x = 20,248,586,088.74
  5. Step 5: Solve for x
    x = 20,248,586,088.74/200,427.02
  6. Step 6: Final answer
    x = 101,027.23

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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.