Home / 307,619.04-461,382.48-255,364.32

Finding the Fourth Proportional to 307,619.04, 461,382.48 and 255,364.32

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Solution

The fourth proportional to 307,619.04, 461,382.48 and 255,364.32 is: 383,008.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,619.04 : 461,382.48 = 255,364.32 : x
  2. Step 2: Convert to fraction form
    307,619.04/461,382.48 = 255,364.32/x
  3. Step 3: Cross multiply
    307,619.04x = 461,382.48 × 255,364.32
  4. Step 4: Simplify right side
    307,619.04x = 117,820,623,265.11
  5. Step 5: Solve for x
    x = 117,820,623,265.11/307,619.04
  6. Step 6: Final answer
    x = 383,008.23

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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.