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Finding the Fourth Proportional to 245,779.12, 339,200.70 and 150,349.30

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Solution

The fourth proportional to 245,779.12, 339,200.70 and 150,349.30 is: 207,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,779.12 : 339,200.70 = 150,349.30 : x
  2. Step 2: Convert to fraction form
    245,779.12/339,200.70 = 150,349.30/x
  3. Step 3: Cross multiply
    245,779.12x = 339,200.70 × 150,349.30
  4. Step 4: Simplify right side
    245,779.12x = 50,998,587,804.51
  5. Step 5: Solve for x
    x = 50,998,587,804.51/245,779.12
  6. Step 6: Final answer
    x = 207,497.64

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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.