Home / 397,890.32-596,944.76-117,407.57

Finding the Fourth Proportional to 397,890.32, 596,944.76 and 117,407.57

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Solution

The fourth proportional to 397,890.32, 596,944.76 and 117,407.57 is: 176,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,890.32 : 596,944.76 = 117,407.57 : x
  2. Step 2: Convert to fraction form
    397,890.32/596,944.76 = 117,407.57/x
  3. Step 3: Cross multiply
    397,890.32x = 596,944.76 × 117,407.57
  4. Step 4: Simplify right side
    397,890.32x = 70,085,830,124.07
  5. Step 5: Solve for x
    x = 70,085,830,124.07/397,890.32
  6. Step 6: Final answer
    x = 176,143.59

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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.