Home / 377,865.60-521,455.08-205,783.93

Finding the Fourth Proportional to 377,865.60, 521,455.08 and 205,783.93

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Solution

The fourth proportional to 377,865.60, 521,455.08 and 205,783.93 is: 283,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,865.60 : 521,455.08 = 205,783.93 : x
  2. Step 2: Convert to fraction form
    377,865.60/521,455.08 = 205,783.93/x
  3. Step 3: Cross multiply
    377,865.60x = 521,455.08 × 205,783.93
  4. Step 4: Simplify right side
    377,865.60x = 107,307,075,680.86
  5. Step 5: Solve for x
    x = 107,307,075,680.86/377,865.60
  6. Step 6: Final answer
    x = 283,982.12

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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.