Home / 260,277.24-390,381.30-73,303.32

Finding the Fourth Proportional to 260,277.24, 390,381.30 and 73,303.32

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Solution

The fourth proportional to 260,277.24, 390,381.30 and 73,303.32 is: 109,945.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,277.24 : 390,381.30 = 73,303.32 : x
  2. Step 2: Convert to fraction form
    260,277.24/390,381.30 = 73,303.32/x
  3. Step 3: Cross multiply
    260,277.24x = 390,381.30 × 73,303.32
  4. Step 4: Simplify right side
    260,277.24x = 28,616,245,355.92
  5. Step 5: Solve for x
    x = 28,616,245,355.92/260,277.24
  6. Step 6: Final answer
    x = 109,945.25

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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.