Home / 351,421.14-484,961.40-190,276.30

Finding the Fourth Proportional to 351,421.14, 484,961.40 and 190,276.30

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Solution

The fourth proportional to 351,421.14, 484,961.40 and 190,276.30 is: 262,581.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,421.14 : 484,961.40 = 190,276.30 : x
  2. Step 2: Convert to fraction form
    351,421.14/484,961.40 = 190,276.30/x
  3. Step 3: Cross multiply
    351,421.14x = 484,961.40 × 190,276.30
  4. Step 4: Simplify right side
    351,421.14x = 92,276,660,834.82
  5. Step 5: Solve for x
    x = 92,276,660,834.82/351,421.14
  6. Step 6: Final answer
    x = 262,581.42

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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.