Home / 607,965.21-911,947.80-158,682.15

Finding the Fourth Proportional to 607,965.21, 911,947.80 and 158,682.15

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Solution

The fourth proportional to 607,965.21, 911,947.80 and 158,682.15 is: 238,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,965.21 : 911,947.80 = 158,682.15 : x
  2. Step 2: Convert to fraction form
    607,965.21/911,947.80 = 158,682.15/x
  3. Step 3: Cross multiply
    607,965.21x = 911,947.80 × 158,682.15
  4. Step 4: Simplify right side
    607,965.21x = 144,709,838,186.83
  5. Step 5: Solve for x
    x = 144,709,838,186.83/607,965.21
  6. Step 6: Final answer
    x = 238,023.22

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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.