Home / 450,134.05-621,162.03-246,145.39

Finding the Fourth Proportional to 450,134.05, 621,162.03 and 246,145.39

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Solution

The fourth proportional to 450,134.05, 621,162.03 and 246,145.39 is: 339,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,134.05 : 621,162.03 = 246,145.39 : x
  2. Step 2: Convert to fraction form
    450,134.05/621,162.03 = 246,145.39/x
  3. Step 3: Cross multiply
    450,134.05x = 621,162.03 × 246,145.39
  4. Step 4: Simplify right side
    450,134.05x = 152,896,170,127.54
  5. Step 5: Solve for x
    x = 152,896,170,127.54/450,134.05
  6. Step 6: Final answer
    x = 339,668.08

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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.