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Finding the Fourth Proportional to 328,753.60, 492,842.40 and 223,230.40

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Solution

The fourth proportional to 328,753.60, 492,842.40 and 223,230.40 is: 334,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,753.60 : 492,842.40 = 223,230.40 : x
  2. Step 2: Convert to fraction form
    328,753.60/492,842.40 = 223,230.40/x
  3. Step 3: Cross multiply
    328,753.60x = 492,842.40 × 223,230.40
  4. Step 4: Simplify right side
    328,753.60x = 110,017,406,088.96
  5. Step 5: Solve for x
    x = 110,017,406,088.96/328,753.60
  6. Step 6: Final answer
    x = 334,650.04

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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.