Home / 311,916.70-467,875.05-171,948.70

Finding the Fourth Proportional to 311,916.70, 467,875.05 and 171,948.70

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Solution

The fourth proportional to 311,916.70, 467,875.05 and 171,948.70 is: 257,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,916.70 : 467,875.05 = 171,948.70 : x
  2. Step 2: Convert to fraction form
    311,916.70/467,875.05 = 171,948.70/x
  3. Step 3: Cross multiply
    311,916.70x = 467,875.05 × 171,948.70
  4. Step 4: Simplify right side
    311,916.70x = 80,450,506,609.94
  5. Step 5: Solve for x
    x = 80,450,506,609.94/311,916.70
  6. Step 6: Final answer
    x = 257,923.05

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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.