Home / 455,947.04-629,187.35-251,987.42

Finding the Fourth Proportional to 455,947.04, 629,187.35 and 251,987.42

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Solution

The fourth proportional to 455,947.04, 629,187.35 and 251,987.42 is: 347,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,947.04 : 629,187.35 = 251,987.42 : x
  2. Step 2: Convert to fraction form
    455,947.04/629,187.35 = 251,987.42/x
  3. Step 3: Cross multiply
    455,947.04x = 629,187.35 × 251,987.42
  4. Step 4: Simplify right side
    455,947.04x = 158,547,297,336.17
  5. Step 5: Solve for x
    x = 158,547,297,336.17/455,947.04
  6. Step 6: Final answer
    x = 347,731.83

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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.