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Finding the Fourth Proportional to 406,437.20, 610,001.40 and 182,142.80

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Solution

The fourth proportional to 406,437.20, 610,001.40 and 182,142.80 is: 273,369.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,437.20 : 610,001.40 = 182,142.80 : x
  2. Step 2: Convert to fraction form
    406,437.20/610,001.40 = 182,142.80/x
  3. Step 3: Cross multiply
    406,437.20x = 610,001.40 × 182,142.80
  4. Step 4: Simplify right side
    406,437.20x = 111,107,362,999.92
  5. Step 5: Solve for x
    x = 111,107,362,999.92/406,437.20
  6. Step 6: Final answer
    x = 273,369.08

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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.