Home / 497,890.80-746,836.20-142,916.40

Finding the Fourth Proportional to 497,890.80, 746,836.20 and 142,916.40

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Solution

The fourth proportional to 497,890.80, 746,836.20 and 142,916.40 is: 214,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,890.80 : 746,836.20 = 142,916.40 : x
  2. Step 2: Convert to fraction form
    497,890.80/746,836.20 = 142,916.40/x
  3. Step 3: Cross multiply
    497,890.80x = 746,836.20 × 142,916.40
  4. Step 4: Simplify right side
    497,890.80x = 106,735,141,093.68
  5. Step 5: Solve for x
    x = 106,735,141,093.68/497,890.80
  6. Step 6: Final answer
    x = 214,374.60

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1.5x scale

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.