Home / 260,232.70-390,349.18-73,244.20

Finding the Fourth Proportional to 260,232.70, 390,349.18 and 73,244.20

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Solution

The fourth proportional to 260,232.70, 390,349.18 and 73,244.20 is: 109,866.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,232.70 : 390,349.18 = 73,244.20 : x
  2. Step 2: Convert to fraction form
    260,232.70/390,349.18 = 73,244.20/x
  3. Step 3: Cross multiply
    260,232.70x = 390,349.18 × 73,244.20
  4. Step 4: Simplify right side
    260,232.70x = 28,590,813,409.76
  5. Step 5: Solve for x
    x = 28,590,813,409.76/260,232.70
  6. Step 6: Final answer
    x = 109,866.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.