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Finding the Fourth Proportional to 366,447.84, 549,482.04 and 216,733.92

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Solution

The fourth proportional to 366,447.84, 549,482.04 and 216,733.92 is: 324,988.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,447.84 : 549,482.04 = 216,733.92 : x
  2. Step 2: Convert to fraction form
    366,447.84/549,482.04 = 216,733.92/x
  3. Step 3: Cross multiply
    366,447.84x = 549,482.04 × 216,733.92
  4. Step 4: Simplify right side
    366,447.84x = 119,091,396,498.80
  5. Step 5: Solve for x
    x = 119,091,396,498.80/366,447.84
  6. Step 6: Final answer
    x = 324,988.67

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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.