Finding the Fourth Proportional to 406,221.14, 608,933.99 and 169,631.48
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Solution
The fourth proportional to 406,221.14, 608,933.99 and 169,631.48 is: 254,281.14
Step by Step Solution
- Step 1: Write the proportion equation
406,221.14 : 608,933.99 = 169,631.48 : x - Step 2: Convert to fraction form
406,221.14/608,933.99 = 169,631.48/x - Step 3: Cross multiply
406,221.14x = 608,933.99 × 169,631.48 - Step 4: Simplify right side
406,221.14x = 103,294,373,946.01 - Step 5: Solve for x
x = 103,294,373,946.01/406,221.14 - Step 6: Final answer
x = 254,281.14
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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.