Home / 455,209.02-682,721.37-122,707.26

Finding the Fourth Proportional to 455,209.02, 682,721.37 and 122,707.26

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Solution

The fourth proportional to 455,209.02, 682,721.37 and 122,707.26 is: 184,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,209.02 : 682,721.37 = 122,707.26 : x
  2. Step 2: Convert to fraction form
    455,209.02/682,721.37 = 122,707.26/x
  3. Step 3: Cross multiply
    455,209.02x = 682,721.37 × 122,707.26
  4. Step 4: Simplify right side
    455,209.02x = 83,774,868,656.15
  5. Step 5: Solve for x
    x = 83,774,868,656.15/455,209.02
  6. Step 6: Final answer
    x = 184,036.05

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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.