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Finding the Fourth Proportional to 363,740.54, 501,788.09 and 282,612.86

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Solution

The fourth proportional to 363,740.54, 501,788.09 and 282,612.86 is: 389,870.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,740.54 : 501,788.09 = 282,612.86 : x
  2. Step 2: Convert to fraction form
    363,740.54/501,788.09 = 282,612.86/x
  3. Step 3: Cross multiply
    363,740.54x = 501,788.09 × 282,612.86
  4. Step 4: Simplify right side
    363,740.54x = 141,811,767,228.84
  5. Step 5: Solve for x
    x = 141,811,767,228.84/363,740.54
  6. Step 6: Final answer
    x = 389,870.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.