Home / 307,124.86-423,833.27-178,088.38

Finding the Fourth Proportional to 307,124.86, 423,833.27 and 178,088.38

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Solution

The fourth proportional to 307,124.86, 423,833.27 and 178,088.38 is: 245,762.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,124.86 : 423,833.27 = 178,088.38 : x
  2. Step 2: Convert to fraction form
    307,124.86/423,833.27 = 178,088.38/x
  3. Step 3: Cross multiply
    307,124.86x = 423,833.27 × 178,088.38
  4. Step 4: Simplify right side
    307,124.86x = 75,479,780,444.40
  5. Step 5: Solve for x
    x = 75,479,780,444.40/307,124.86
  6. Step 6: Final answer
    x = 245,762.52

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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.