Home / 376,343.04-519,117.16-223,272.86

Finding the Fourth Proportional to 376,343.04, 519,117.16 and 223,272.86

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Solution

The fourth proportional to 376,343.04, 519,117.16 and 223,272.86 is: 307,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,343.04 : 519,117.16 = 223,272.86 : x
  2. Step 2: Convert to fraction form
    376,343.04/519,117.16 = 223,272.86/x
  3. Step 3: Cross multiply
    376,343.04x = 519,117.16 × 223,272.86
  4. Step 4: Simplify right side
    376,343.04x = 115,904,775,261.15
  5. Step 5: Solve for x
    x = 115,904,775,261.15/376,343.04
  6. Step 6: Final answer
    x = 307,976.40

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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.