Home / 307,136.07-458,301.37-275,221.13

Finding the Fourth Proportional to 307,136.07, 458,301.37 and 275,221.13

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Solution

The fourth proportional to 307,136.07, 458,301.37 and 275,221.13 is: 410,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,136.07 : 458,301.37 = 275,221.13 : x
  2. Step 2: Convert to fraction form
    307,136.07/458,301.37 = 275,221.13/x
  3. Step 3: Cross multiply
    307,136.07x = 458,301.37 × 275,221.13
  4. Step 4: Simplify right side
    307,136.07x = 126,134,221,561.29
  5. Step 5: Solve for x
    x = 126,134,221,561.29/307,136.07
  6. Step 6: Final answer
    x = 410,678.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.