Home / 371,078.32-512,089.04-201,312.44

Finding the Fourth Proportional to 371,078.32, 512,089.04 and 201,312.44

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Solution

The fourth proportional to 371,078.32, 512,089.04 and 201,312.44 is: 277,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,078.32 : 512,089.04 = 201,312.44 : x
  2. Step 2: Convert to fraction form
    371,078.32/512,089.04 = 201,312.44/x
  3. Step 3: Cross multiply
    371,078.32x = 512,089.04 × 201,312.44
  4. Step 4: Simplify right side
    371,078.32x = 103,089,894,139.66
  5. Step 5: Solve for x
    x = 103,089,894,139.66/371,078.32
  6. Step 6: Final answer
    x = 277,811.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.