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Finding the Fourth Proportional to 287,234.10, 429,830.55 and 250,200.90

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Solution

The fourth proportional to 287,234.10, 429,830.55 and 250,200.90 is: 374,412.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,234.10 : 429,830.55 = 250,200.90 : x
  2. Step 2: Convert to fraction form
    287,234.10/429,830.55 = 250,200.90/x
  3. Step 3: Cross multiply
    287,234.10x = 429,830.55 × 250,200.90
  4. Step 4: Simplify right side
    287,234.10x = 107,543,990,457.50
  5. Step 5: Solve for x
    x = 107,543,990,457.50/287,234.10
  6. Step 6: Final answer
    x = 374,412.34

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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.