Home / 290,962.20-435,875.94-164,219.08

Finding the Fourth Proportional to 290,962.20, 435,875.94 and 164,219.08

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Solution

The fourth proportional to 290,962.20, 435,875.94 and 164,219.08 is: 246,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,962.20 : 435,875.94 = 164,219.08 : x
  2. Step 2: Convert to fraction form
    290,962.20/435,875.94 = 164,219.08/x
  3. Step 3: Cross multiply
    290,962.20x = 435,875.94 × 164,219.08
  4. Step 4: Simplify right side
    290,962.20x = 71,579,145,860.94
  5. Step 5: Solve for x
    x = 71,579,145,860.94/290,962.20
  6. Step 6: Final answer
    x = 246,008.40

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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.