Home / 370,939.74-556,399.18-118,235.39

Finding the Fourth Proportional to 370,939.74, 556,399.18 and 118,235.39

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Solution

The fourth proportional to 370,939.74, 556,399.18 and 118,235.39 is: 177,349.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,939.74 : 556,399.18 = 118,235.39 : x
  2. Step 2: Convert to fraction form
    370,939.74/556,399.18 = 118,235.39/x
  3. Step 3: Cross multiply
    370,939.74x = 556,399.18 × 118,235.39
  4. Step 4: Simplify right side
    370,939.74x = 65,786,070,669.81
  5. Step 5: Solve for x
    x = 65,786,070,669.81/370,939.74
  6. Step 6: Final answer
    x = 177,349.75

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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.