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Finding the Fourth Proportional to 366,636.58, 549,581.20 and 334,314.42

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Solution

The fourth proportional to 366,636.58, 549,581.20 and 334,314.42 is: 501,130.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,636.58 : 549,581.20 = 334,314.42 : x
  2. Step 2: Convert to fraction form
    366,636.58/549,581.20 = 334,314.42/x
  3. Step 3: Cross multiply
    366,636.58x = 549,581.20 × 334,314.42
  4. Step 4: Simplify right side
    366,636.58x = 183,732,920,120.90
  5. Step 5: Solve for x
    x = 183,732,920,120.90/366,636.58
  6. Step 6: Final answer
    x = 501,130.90

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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.