Home / 293,558.47-440,364.60-91,155.74

Finding the Fourth Proportional to 293,558.47, 440,364.60 and 91,155.74

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Solution

The fourth proportional to 293,558.47, 440,364.60 and 91,155.74 is: 136,741.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,558.47 : 440,364.60 = 91,155.74 : x
  2. Step 2: Convert to fraction form
    293,558.47/440,364.60 = 91,155.74/x
  3. Step 3: Cross multiply
    293,558.47x = 440,364.60 × 91,155.74
  4. Step 4: Simplify right side
    293,558.47x = 40,141,758,780.98
  5. Step 5: Solve for x
    x = 40,141,758,780.98/293,558.47
  6. Step 6: Final answer
    x = 136,741.96

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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.