Home / 307,402.16-424,150.82-186,607.04

Finding the Fourth Proportional to 307,402.16, 424,150.82 and 186,607.04

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Solution

The fourth proportional to 307,402.16, 424,150.82 and 186,607.04 is: 257,478.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,402.16 : 424,150.82 = 186,607.04 : x
  2. Step 2: Convert to fraction form
    307,402.16/424,150.82 = 186,607.04/x
  3. Step 3: Cross multiply
    307,402.16x = 424,150.82 × 186,607.04
  4. Step 4: Simplify right side
    307,402.16x = 79,149,529,033.77
  5. Step 5: Solve for x
    x = 79,149,529,033.77/307,402.16
  6. Step 6: Final answer
    x = 257,478.77

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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.