Home / 401,037.90-601,686.45-268,068.30

Finding the Fourth Proportional to 401,037.90, 601,686.45 and 268,068.30

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Solution

The fourth proportional to 401,037.90, 601,686.45 and 268,068.30 is: 402,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,037.90 : 601,686.45 = 268,068.30 : x
  2. Step 2: Convert to fraction form
    401,037.90/601,686.45 = 268,068.30/x
  3. Step 3: Cross multiply
    401,037.90x = 601,686.45 × 268,068.30
  4. Step 4: Simplify right side
    401,037.90x = 161,293,063,784.54
  5. Step 5: Solve for x
    x = 161,293,063,784.54/401,037.90
  6. Step 6: Final answer
    x = 402,189.08

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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.