Home / 513,242-769,813.47-158,160.68

Finding the Fourth Proportional to 513,242, 769,813.47 and 158,160.68

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Solution

The fourth proportional to 513,242, 769,813.47 and 158,160.68 is: 237,225.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,242 : 769,813.47 = 158,160.68 : x
  2. Step 2: Convert to fraction form
    513,242/769,813.47 = 158,160.68/x
  3. Step 3: Cross multiply
    513,242x = 769,813.47 × 158,160.68
  4. Step 4: Simplify right side
    513,242x = 121,754,221,888.36
  5. Step 5: Solve for x
    x = 121,754,221,888.36/513,242
  6. Step 6: Final answer
    x = 237,225.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.