Home / 351,420.03-484,959.86-190,275.19

Finding the Fourth Proportional to 351,420.03, 484,959.86 and 190,275.19

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Solution

The fourth proportional to 351,420.03, 484,959.86 and 190,275.19 is: 262,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,420.03 : 484,959.86 = 190,275.19 : x
  2. Step 2: Convert to fraction form
    351,420.03/484,959.86 = 190,275.19/x
  3. Step 3: Cross multiply
    351,420.03x = 484,959.86 × 190,275.19
  4. Step 4: Simplify right side
    351,420.03x = 92,275,829,503.87
  5. Step 5: Solve for x
    x = 92,275,829,503.87/351,420.03
  6. Step 6: Final answer
    x = 262,579.88

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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.