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Finding the Fourth Proportional to 540,163.83, 745,441.12 and 298,461.98

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Solution

The fourth proportional to 540,163.83, 745,441.12 and 298,461.98 is: 411,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,163.83 : 745,441.12 = 298,461.98 : x
  2. Step 2: Convert to fraction form
    540,163.83/745,441.12 = 298,461.98/x
  3. Step 3: Cross multiply
    540,163.83x = 745,441.12 × 298,461.98
  4. Step 4: Simplify right side
    540,163.83x = 222,485,827,429.10
  5. Step 5: Solve for x
    x = 222,485,827,429.10/540,163.83
  6. Step 6: Final answer
    x = 411,885.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.