Home / 372,904.19-558,981.75-119,998.81

Finding the Fourth Proportional to 372,904.19, 558,981.75 and 119,998.81

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Solution

The fourth proportional to 372,904.19, 558,981.75 and 119,998.81 is: 179,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,904.19 : 558,981.75 = 119,998.81 : x
  2. Step 2: Convert to fraction form
    372,904.19/558,981.75 = 119,998.81/x
  3. Step 3: Cross multiply
    372,904.19x = 558,981.75 × 119,998.81
  4. Step 4: Simplify right side
    372,904.19x = 67,077,144,811.72
  5. Step 5: Solve for x
    x = 67,077,144,811.72/372,904.19
  6. Step 6: Final answer
    x = 179,877.69

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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.