Home / 219,106.26-328,775.11-155,475.57

Finding the Fourth Proportional to 219,106.26, 328,775.11 and 155,475.57

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Solution

The fourth proportional to 219,106.26, 328,775.11 and 155,475.57 is: 233,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,106.26 : 328,775.11 = 155,475.57 : x
  2. Step 2: Convert to fraction form
    219,106.26/328,775.11 = 155,475.57/x
  3. Step 3: Cross multiply
    219,106.26x = 328,775.11 × 155,475.57
  4. Step 4: Simplify right side
    219,106.26x = 51,116,495,207.81
  5. Step 5: Solve for x
    x = 51,116,495,207.81/219,106.26
  6. Step 6: Final answer
    x = 233,295.46

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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.