Home / 456,518.48-629,995.08-255,314

Finding the Fourth Proportional to 456,518.48, 629,995.08 and 255,314

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Solution

The fourth proportional to 456,518.48, 629,995.08 and 255,314 is: 352,333.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,518.48 : 629,995.08 = 255,314 : x
  2. Step 2: Convert to fraction form
    456,518.48/629,995.08 = 255,314/x
  3. Step 3: Cross multiply
    456,518.48x = 629,995.08 × 255,314
  4. Step 4: Simplify right side
    456,518.48x = 160,846,563,855.12
  5. Step 5: Solve for x
    x = 160,846,563,855.12/456,518.48
  6. Step 6: Final answer
    x = 352,333.08

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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.