Home / 377,137.02-520,559.40-224,282.70

Finding the Fourth Proportional to 377,137.02, 520,559.40 and 224,282.70

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Solution

The fourth proportional to 377,137.02, 520,559.40 and 224,282.70 is: 309,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,137.02 : 520,559.40 = 224,282.70 : x
  2. Step 2: Convert to fraction form
    377,137.02/520,559.40 = 224,282.70/x
  3. Step 3: Cross multiply
    377,137.02x = 520,559.40 × 224,282.70
  4. Step 4: Simplify right side
    377,137.02x = 116,752,467,742.38
  5. Step 5: Solve for x
    x = 116,752,467,742.38/377,137.02
  6. Step 6: Final answer
    x = 309,575.73

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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.