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Finding the Fourth Proportional to 343,707.10, 515,437.63 and 119,007.23

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Solution

The fourth proportional to 343,707.10, 515,437.63 and 119,007.23 is: 178,468.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,707.10 : 515,437.63 = 119,007.23 : x
  2. Step 2: Convert to fraction form
    343,707.10/515,437.63 = 119,007.23/x
  3. Step 3: Cross multiply
    343,707.10x = 515,437.63 × 119,007.23
  4. Step 4: Simplify right side
    343,707.10x = 61,340,801,709.36
  5. Step 5: Solve for x
    x = 61,340,801,709.36/343,707.10
  6. Step 6: Final answer
    x = 178,468.24

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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.