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Finding the Fourth Proportional to 455,365.93, 628,962.96 and 341,155.32

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Solution

The fourth proportional to 455,365.93, 628,962.96 and 341,155.32 is: 471,212.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,365.93 : 628,962.96 = 341,155.32 : x
  2. Step 2: Convert to fraction form
    455,365.93/628,962.96 = 341,155.32/x
  3. Step 3: Cross multiply
    455,365.93x = 628,962.96 × 341,155.32
  4. Step 4: Simplify right side
    455,365.93x = 214,574,059,886.95
  5. Step 5: Solve for x
    x = 214,574,059,886.95/455,365.93
  6. Step 6: Final answer
    x = 471,212.37

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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.