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Finding the Fourth Proportional to 377,283.84, 520,641.48 and 213,970.32

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Solution

The fourth proportional to 377,283.84, 520,641.48 and 213,970.32 is: 295,273.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,283.84 : 520,641.48 = 213,970.32 : x
  2. Step 2: Convert to fraction form
    377,283.84/520,641.48 = 213,970.32/x
  3. Step 3: Cross multiply
    377,283.84x = 520,641.48 × 213,970.32
  4. Step 4: Simplify right side
    377,283.84x = 111,401,824,080.87
  5. Step 5: Solve for x
    x = 111,401,824,080.87/377,283.84
  6. Step 6: Final answer
    x = 295,273.25

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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.