Home / 219,268.63-328,875.23-69,510.39

Finding the Fourth Proportional to 219,268.63, 328,875.23 and 69,510.39

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Solution

The fourth proportional to 219,268.63, 328,875.23 and 69,510.39 is: 104,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,268.63 : 328,875.23 = 69,510.39 : x
  2. Step 2: Convert to fraction form
    219,268.63/328,875.23 = 69,510.39/x
  3. Step 3: Cross multiply
    219,268.63x = 328,875.23 × 69,510.39
  4. Step 4: Simplify right side
    219,268.63x = 22,860,245,168.60
  5. Step 5: Solve for x
    x = 22,860,245,168.60/219,268.63
  6. Step 6: Final answer
    x = 104,256.80

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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.