Home / 401,001.08-601,501.61-120,518.33

Finding the Fourth Proportional to 401,001.08, 601,501.61 and 120,518.33

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Solution

The fourth proportional to 401,001.08, 601,501.61 and 120,518.33 is: 180,777.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,001.08 : 601,501.61 = 120,518.33 : x
  2. Step 2: Convert to fraction form
    401,001.08/601,501.61 = 120,518.33/x
  3. Step 3: Cross multiply
    401,001.08x = 601,501.61 × 120,518.33
  4. Step 4: Simplify right side
    401,001.08x = 72,491,966,823.30
  5. Step 5: Solve for x
    x = 72,491,966,823.30/401,001.08
  6. Step 6: Final answer
    x = 180,777.49

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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.