Home / 307,492.27-424,341.66-171,535.12

Finding the Fourth Proportional to 307,492.27, 424,341.66 and 171,535.12

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Solution

The fourth proportional to 307,492.27, 424,341.66 and 171,535.12 is: 236,719.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,492.27 : 424,341.66 = 171,535.12 : x
  2. Step 2: Convert to fraction form
    307,492.27/424,341.66 = 171,535.12/x
  3. Step 3: Cross multiply
    307,492.27x = 424,341.66 × 171,535.12
  4. Step 4: Simplify right side
    307,492.27x = 72,789,497,569.10
  5. Step 5: Solve for x
    x = 72,789,497,569.10/307,492.27
  6. Step 6: Final answer
    x = 236,719.76

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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.