Home / 351,534.13-485,114.69-190,385.50

Finding the Fourth Proportional to 351,534.13, 485,114.69 and 190,385.50

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Solution

The fourth proportional to 351,534.13, 485,114.69 and 190,385.50 is: 262,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,534.13 : 485,114.69 = 190,385.50 : x
  2. Step 2: Convert to fraction form
    351,534.13/485,114.69 = 190,385.50/x
  3. Step 3: Cross multiply
    351,534.13x = 485,114.69 × 190,385.50
  4. Step 4: Simplify right side
    351,534.13x = 92,358,802,813.00
  5. Step 5: Solve for x
    x = 92,358,802,813.00/351,534.13
  6. Step 6: Final answer
    x = 262,730.69

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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.