Home / 470,485.10-649,248.26-266,531.85

Finding the Fourth Proportional to 470,485.10, 649,248.26 and 266,531.85

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Solution

The fourth proportional to 470,485.10, 649,248.26 and 266,531.85 is: 367,801.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,485.10 : 649,248.26 = 266,531.85 : x
  2. Step 2: Convert to fraction form
    470,485.10/649,248.26 = 266,531.85/x
  3. Step 3: Cross multiply
    470,485.10x = 649,248.26 × 266,531.85
  4. Step 4: Simplify right side
    470,485.10x = 173,045,338,514.42
  5. Step 5: Solve for x
    x = 173,045,338,514.42/470,485.10
  6. Step 6: Final answer
    x = 367,801.96

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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.