Home / 307,317.18-424,066.67-171,338.36

Finding the Fourth Proportional to 307,317.18, 424,066.67 and 171,338.36

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Solution

The fourth proportional to 307,317.18, 424,066.67 and 171,338.36 is: 236,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,317.18 : 424,066.67 = 171,338.36 : x
  2. Step 2: Convert to fraction form
    307,317.18/424,066.67 = 171,338.36/x
  3. Step 3: Cross multiply
    307,317.18x = 424,066.67 × 171,338.36
  4. Step 4: Simplify right side
    307,317.18x = 72,658,885,851.60
  5. Step 5: Solve for x
    x = 72,658,885,851.60/307,317.18
  6. Step 6: Final answer
    x = 236,429.63

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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.