Home / 376,459.04-519,365.28-215,227.48

Finding the Fourth Proportional to 376,459.04, 519,365.28 and 215,227.48

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Solution

The fourth proportional to 376,459.04, 519,365.28 and 215,227.48 is: 296,929.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,459.04 : 519,365.28 = 215,227.48 : x
  2. Step 2: Convert to fraction form
    376,459.04/519,365.28 = 215,227.48/x
  3. Step 3: Cross multiply
    376,459.04x = 519,365.28 × 215,227.48
  4. Step 4: Simplify right side
    376,459.04x = 111,781,680,413.89
  5. Step 5: Solve for x
    x = 111,781,680,413.89/376,459.04
  6. Step 6: Final answer
    x = 296,929.20

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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.