Home / 347,438.35-521,635.83-176,775.40

Finding the Fourth Proportional to 347,438.35, 521,635.83 and 176,775.40

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Solution

The fourth proportional to 347,438.35, 521,635.83 and 176,775.40 is: 265,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,438.35 : 521,635.83 = 176,775.40 : x
  2. Step 2: Convert to fraction form
    347,438.35/521,635.83 = 176,775.40/x
  3. Step 3: Cross multiply
    347,438.35x = 521,635.83 × 176,775.40
  4. Step 4: Simplify right side
    347,438.35x = 92,212,382,502.58
  5. Step 5: Solve for x
    x = 92,212,382,502.58/347,438.35
  6. Step 6: Final answer
    x = 265,406.46

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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.