Home / 351,465.03-485,024.05-190,320.09

Finding the Fourth Proportional to 351,465.03, 485,024.05 and 190,320.09

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Solution

The fourth proportional to 351,465.03, 485,024.05 and 190,320.09 is: 262,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,465.03 : 485,024.05 = 190,320.09 : x
  2. Step 2: Convert to fraction form
    351,465.03/485,024.05 = 190,320.09/x
  3. Step 3: Cross multiply
    351,465.03x = 485,024.05 × 190,320.09
  4. Step 4: Simplify right side
    351,465.03x = 92,309,820,848.16
  5. Step 5: Solve for x
    x = 92,309,820,848.16/351,465.03
  6. Step 6: Final answer
    x = 262,642.97

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1.5x scale

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.