Home / 245,929.77-339,384.24-138,501.63

Finding the Fourth Proportional to 245,929.77, 339,384.24 and 138,501.63

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Solution

The fourth proportional to 245,929.77, 339,384.24 and 138,501.63 is: 191,132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,929.77 : 339,384.24 = 138,501.63 : x
  2. Step 2: Convert to fraction form
    245,929.77/339,384.24 = 138,501.63/x
  3. Step 3: Cross multiply
    245,929.77x = 339,384.24 × 138,501.63
  4. Step 4: Simplify right side
    245,929.77x = 47,005,270,436.31
  5. Step 5: Solve for x
    x = 47,005,270,436.31/245,929.77
  6. Step 6: Final answer
    x = 191,132.90

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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.