Home / 260,004.60-358,973.10-212,372.28

Finding the Fourth Proportional to 260,004.60, 358,973.10 and 212,372.28

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Solution

The fourth proportional to 260,004.60, 358,973.10 and 212,372.28 is: 293,209.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,004.60 : 358,973.10 = 212,372.28 : x
  2. Step 2: Convert to fraction form
    260,004.60/358,973.10 = 212,372.28/x
  3. Step 3: Cross multiply
    260,004.60x = 358,973.10 × 212,372.28
  4. Step 4: Simplify right side
    260,004.60x = 76,235,935,705.67
  5. Step 5: Solve for x
    x = 76,235,935,705.67/260,004.60
  6. Step 6: Final answer
    x = 293,209.95

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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.