Home / 558,381.96-837,849.72-221,415.40

Finding the Fourth Proportional to 558,381.96, 837,849.72 and 221,415.40

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Solution

The fourth proportional to 558,381.96, 837,849.72 and 221,415.40 is: 332,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,381.96 : 837,849.72 = 221,415.40 : x
  2. Step 2: Convert to fraction form
    558,381.96/837,849.72 = 221,415.40/x
  3. Step 3: Cross multiply
    558,381.96x = 837,849.72 × 221,415.40
  4. Step 4: Simplify right side
    558,381.96x = 185,512,830,893.69
  5. Step 5: Solve for x
    x = 185,512,830,893.69/558,381.96
  6. Step 6: Final answer
    x = 332,232.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.