Home / 371,641.20-512,845.48-201,875.12

Finding the Fourth Proportional to 371,641.20, 512,845.48 and 201,875.12

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Solution

The fourth proportional to 371,641.20, 512,845.48 and 201,875.12 is: 278,577.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,641.20 : 512,845.48 = 201,875.12 : x
  2. Step 2: Convert to fraction form
    371,641.20/512,845.48 = 201,875.12/x
  3. Step 3: Cross multiply
    371,641.20x = 512,845.48 × 201,875.12
  4. Step 4: Simplify right side
    371,641.20x = 103,530,742,816.46
  5. Step 5: Solve for x
    x = 103,530,742,816.46/371,641.20
  6. Step 6: Final answer
    x = 278,577.14

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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.