Home / 219,004.40-328,506.60-52,792.40

Finding the Fourth Proportional to 219,004.40, 328,506.60 and 52,792.40

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Solution

The fourth proportional to 219,004.40, 328,506.60 and 52,792.40 is: 79,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,004.40 : 328,506.60 = 52,792.40 : x
  2. Step 2: Convert to fraction form
    219,004.40/328,506.60 = 52,792.40/x
  3. Step 3: Cross multiply
    219,004.40x = 328,506.60 × 52,792.40
  4. Step 4: Simplify right side
    219,004.40x = 17,342,651,829.84
  5. Step 5: Solve for x
    x = 17,342,651,829.84/219,004.40
  6. Step 6: Final answer
    x = 79,188.60

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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.