Home / 387,152.07-580,699.37-162,503.43

Finding the Fourth Proportional to 387,152.07, 580,699.37 and 162,503.43

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Solution

The fourth proportional to 387,152.07, 580,699.37 and 162,503.43 is: 243,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,152.07 : 580,699.37 = 162,503.43 : x
  2. Step 2: Convert to fraction form
    387,152.07/580,699.37 = 162,503.43/x
  3. Step 3: Cross multiply
    387,152.07x = 580,699.37 × 162,503.43
  4. Step 4: Simplify right side
    387,152.07x = 94,365,638,611.32
  5. Step 5: Solve for x
    x = 94,365,638,611.32/387,152.07
  6. Step 6: Final answer
    x = 243,743.08

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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.