Home / 376,159.08-519,099.44-215,017.58

Finding the Fourth Proportional to 376,159.08, 519,099.44 and 215,017.58

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Solution

The fourth proportional to 376,159.08, 519,099.44 and 215,017.58 is: 296,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,159.08 : 519,099.44 = 215,017.58 : x
  2. Step 2: Convert to fraction form
    376,159.08/519,099.44 = 215,017.58/x
  3. Step 3: Cross multiply
    376,159.08x = 519,099.44 × 215,017.58
  4. Step 4: Simplify right side
    376,159.08x = 111,615,505,368.16
  5. Step 5: Solve for x
    x = 111,615,505,368.16/376,159.08
  6. Step 6: Final answer
    x = 296,724.21

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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.