Home / 318,573.32-477,942.73-118,895.22

Finding the Fourth Proportional to 318,573.32, 477,942.73 and 118,895.22

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Solution

The fourth proportional to 318,573.32, 477,942.73 and 118,895.22 is: 178,373.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,573.32 : 477,942.73 = 118,895.22 : x
  2. Step 2: Convert to fraction form
    318,573.32/477,942.73 = 118,895.22/x
  3. Step 3: Cross multiply
    318,573.32x = 477,942.73 × 118,895.22
  4. Step 4: Simplify right side
    318,573.32x = 56,825,105,733.51
  5. Step 5: Solve for x
    x = 56,825,105,733.51/318,573.32
  6. Step 6: Final answer
    x = 178,373.72

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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.