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Finding the Fourth Proportional to 345,438.96, 518,177.02 and 108,800.16

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Solution

The fourth proportional to 345,438.96, 518,177.02 and 108,800.16 is: 163,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,438.96 : 518,177.02 = 108,800.16 : x
  2. Step 2: Convert to fraction form
    345,438.96/518,177.02 = 108,800.16/x
  3. Step 3: Cross multiply
    345,438.96x = 518,177.02 × 108,800.16
  4. Step 4: Simplify right side
    345,438.96x = 56,377,742,684.32
  5. Step 5: Solve for x
    x = 56,377,742,684.32/345,438.96
  6. Step 6: Final answer
    x = 163,206.09

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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.