Home / 406,412.03-609,441.27-216,830.12

Finding the Fourth Proportional to 406,412.03, 609,441.27 and 216,830.12

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Solution

The fourth proportional to 406,412.03, 609,441.27 and 216,830.12 is: 325,150.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,412.03 : 609,441.27 = 216,830.12 : x
  2. Step 2: Convert to fraction form
    406,412.03/609,441.27 = 216,830.12/x
  3. Step 3: Cross multiply
    406,412.03x = 609,441.27 × 216,830.12
  4. Step 4: Simplify right side
    406,412.03x = 132,145,219,846.73
  5. Step 5: Solve for x
    x = 132,145,219,846.73/406,412.03
  6. Step 6: Final answer
    x = 325,150.85

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1.5x scale

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.