Home / 345,801.24-518,265.54-185,479.56

Finding the Fourth Proportional to 345,801.24, 518,265.54 and 185,479.56

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Solution

The fourth proportional to 345,801.24, 518,265.54 and 185,479.56 is: 277,985.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,801.24 : 518,265.54 = 185,479.56 : x
  2. Step 2: Convert to fraction form
    345,801.24/518,265.54 = 185,479.56/x
  3. Step 3: Cross multiply
    345,801.24x = 518,265.54 × 185,479.56
  4. Step 4: Simplify right side
    345,801.24x = 96,127,664,322.36
  5. Step 5: Solve for x
    x = 96,127,664,322.36/345,801.24
  6. Step 6: Final answer
    x = 277,985.31

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1.5x scale

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.