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Finding the Fourth Proportional to 404,437.04, 606,655.58 and 138,199.76

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Solution

The fourth proportional to 404,437.04, 606,655.58 and 138,199.76 is: 207,299.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,437.04 : 606,655.58 = 138,199.76 : x
  2. Step 2: Convert to fraction form
    404,437.04/606,655.58 = 138,199.76/x
  3. Step 3: Cross multiply
    404,437.04x = 606,655.58 × 138,199.76
  4. Step 4: Simplify right side
    404,437.04x = 83,839,655,558.66
  5. Step 5: Solve for x
    x = 83,839,655,558.66/404,437.04
  6. Step 6: Final answer
    x = 207,299.65

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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.