Home / 366,020.46-505,423.44-230,280.66

Finding the Fourth Proportional to 366,020.46, 505,423.44 and 230,280.66

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Solution

The fourth proportional to 366,020.46, 505,423.44 and 230,280.66 is: 317,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,020.46 : 505,423.44 = 230,280.66 : x
  2. Step 2: Convert to fraction form
    366,020.46/505,423.44 = 230,280.66/x
  3. Step 3: Cross multiply
    366,020.46x = 505,423.44 × 230,280.66
  4. Step 4: Simplify right side
    366,020.46x = 116,389,243,342.67
  5. Step 5: Solve for x
    x = 116,389,243,342.67/366,020.46
  6. Step 6: Final answer
    x = 317,985.62

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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.