Home / 377,719.20-565,266.60-346,226.40

Finding the Fourth Proportional to 377,719.20, 565,266.60 and 346,226.40

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Solution

The fourth proportional to 377,719.20, 565,266.60 and 346,226.40 is: 518,136.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,719.20 : 565,266.60 = 346,226.40 : x
  2. Step 2: Convert to fraction form
    377,719.20/565,266.60 = 346,226.40/x
  3. Step 3: Cross multiply
    377,719.20x = 565,266.60 × 346,226.40
  4. Step 4: Simplify right side
    377,719.20x = 195,710,219,958.24
  5. Step 5: Solve for x
    x = 195,710,219,958.24/377,719.20
  6. Step 6: Final answer
    x = 518,136.81

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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.