Home / 351,128.80-526,693.20-310,450.60

Finding the Fourth Proportional to 351,128.80, 526,693.20 and 310,450.60

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Solution

The fourth proportional to 351,128.80, 526,693.20 and 310,450.60 is: 465,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,128.80 : 526,693.20 = 310,450.60 : x
  2. Step 2: Convert to fraction form
    351,128.80/526,693.20 = 310,450.60/x
  3. Step 3: Cross multiply
    351,128.80x = 526,693.20 × 310,450.60
  4. Step 4: Simplify right side
    351,128.80x = 163,512,219,955.92
  5. Step 5: Solve for x
    x = 163,512,219,955.92/351,128.80
  6. Step 6: Final answer
    x = 465,675.90

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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.