Home / 315,500.05-470,835.46-281,842.12

Finding the Fourth Proportional to 315,500.05, 470,835.46 and 281,842.12

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Solution

The fourth proportional to 315,500.05, 470,835.46 and 281,842.12 is: 420,606.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,500.05 : 470,835.46 = 281,842.12 : x
  2. Step 2: Convert to fraction form
    315,500.05/470,835.46 = 281,842.12/x
  3. Step 3: Cross multiply
    315,500.05x = 470,835.46 × 281,842.12
  4. Step 4: Simplify right side
    315,500.05x = 132,701,264,217.58
  5. Step 5: Solve for x
    x = 132,701,264,217.58/315,500.05
  6. Step 6: Final answer
    x = 420,606.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.