Home / 279,491.22-385,685.01-152,166.42

Finding the Fourth Proportional to 279,491.22, 385,685.01 and 152,166.42

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Solution

The fourth proportional to 279,491.22, 385,685.01 and 152,166.42 is: 209,982.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,491.22 : 385,685.01 = 152,166.42 : x
  2. Step 2: Convert to fraction form
    279,491.22/385,685.01 = 152,166.42/x
  3. Step 3: Cross multiply
    279,491.22x = 385,685.01 × 152,166.42
  4. Step 4: Simplify right side
    279,491.22x = 58,688,307,219.36
  5. Step 5: Solve for x
    x = 58,688,307,219.36/279,491.22
  6. Step 6: Final answer
    x = 209,982.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.