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Finding the Fourth Proportional to 361,484.42, 538,994.84 and 351,552.98

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Solution

The fourth proportional to 361,484.42, 538,994.84 and 351,552.98 is: 524,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,484.42 : 538,994.84 = 351,552.98 : x
  2. Step 2: Convert to fraction form
    361,484.42/538,994.84 = 351,552.98/x
  3. Step 3: Cross multiply
    361,484.42x = 538,994.84 × 351,552.98
  4. Step 4: Simplify right side
    361,484.42x = 189,485,242,206.62
  5. Step 5: Solve for x
    x = 189,485,242,206.62/361,484.42
  6. Step 6: Final answer
    x = 524,186.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.