Home / 307,880.04-424,881.66-171,909.39

Finding the Fourth Proportional to 307,880.04, 424,881.66 and 171,909.39

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Solution

The fourth proportional to 307,880.04, 424,881.66 and 171,909.39 is: 237,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,880.04 : 424,881.66 = 171,909.39 : x
  2. Step 2: Convert to fraction form
    307,880.04/424,881.66 = 171,909.39/x
  3. Step 3: Cross multiply
    307,880.04x = 424,881.66 × 171,909.39
  4. Step 4: Simplify right side
    307,880.04x = 73,041,146,992.79
  5. Step 5: Solve for x
    x = 73,041,146,992.79/307,880.04
  6. Step 6: Final answer
    x = 237,238.98

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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.