Home / 413,050.40-619,435.29-143,115.55

Finding the Fourth Proportional to 413,050.40, 619,435.29 and 143,115.55

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Solution

The fourth proportional to 413,050.40, 619,435.29 and 143,115.55 is: 214,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,050.40 : 619,435.29 = 143,115.55 : x
  2. Step 2: Convert to fraction form
    413,050.40/619,435.29 = 143,115.55/x
  3. Step 3: Cross multiply
    413,050.40x = 619,435.29 × 143,115.55
  4. Step 4: Simplify right side
    413,050.40x = 88,650,820,669.17
  5. Step 5: Solve for x
    x = 88,650,820,669.17/413,050.40
  6. Step 6: Final answer
    x = 214,624.70

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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.