Home / 307,560.32-424,462.92-186,673.76

Finding the Fourth Proportional to 307,560.32, 424,462.92 and 186,673.76

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Solution

The fourth proportional to 307,560.32, 424,462.92 and 186,673.76 is: 257,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,560.32 : 424,462.92 = 186,673.76 : x
  2. Step 2: Convert to fraction form
    307,560.32/424,462.92 = 186,673.76/x
  3. Step 3: Cross multiply
    307,560.32x = 424,462.92 × 186,673.76
  4. Step 4: Simplify right side
    307,560.32x = 79,236,089,256.98
  5. Step 5: Solve for x
    x = 79,236,089,256.98/307,560.32
  6. Step 6: Final answer
    x = 257,627.80

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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.