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Finding the Fourth Proportional to 401,001.94, 601,129.15 and 201,088.73

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Solution

The fourth proportional to 401,001.94, 601,129.15 and 201,088.73 is: 301,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,001.94 : 601,129.15 = 201,088.73 : x
  2. Step 2: Convert to fraction form
    401,001.94/601,129.15 = 201,088.73/x
  3. Step 3: Cross multiply
    401,001.94x = 601,129.15 × 201,088.73
  4. Step 4: Simplify right side
    401,001.94x = 120,880,294,958.23
  5. Step 5: Solve for x
    x = 120,880,294,958.23/401,001.94
  6. Step 6: Final answer
    x = 301,445.66

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1.5x scale

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.