Home / 289,942.46-435,038.82-156,916.58

Finding the Fourth Proportional to 289,942.46, 435,038.82 and 156,916.58

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Solution

The fourth proportional to 289,942.46, 435,038.82 and 156,916.58 is: 235,442.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,942.46 : 435,038.82 = 156,916.58 : x
  2. Step 2: Convert to fraction form
    289,942.46/435,038.82 = 156,916.58/x
  3. Step 3: Cross multiply
    289,942.46x = 435,038.82 × 156,916.58
  4. Step 4: Simplify right side
    289,942.46x = 68,264,803,801.64
  5. Step 5: Solve for x
    x = 68,264,803,801.64/289,942.46
  6. Step 6: Final answer
    x = 235,442.59

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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.