Finding the Fourth Proportional to 632,893.05, 949,349.34 and 206,427.06
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Solution
The fourth proportional to 632,893.05, 949,349.34 and 206,427.06 is: 309,643.77
Step by Step Solution
- Step 1: Write the proportion equation
632,893.05 : 949,349.34 = 206,427.06 : x - Step 2: Convert to fraction form
632,893.05/949,349.34 = 206,427.06/x - Step 3: Cross multiply
632,893.05x = 949,349.34 × 206,427.06 - Step 4: Simplify right side
632,893.05x = 195,971,393,169.14 - Step 5: Solve for x
x = 195,971,393,169.14/632,893.05 - Step 6: Final answer
x = 309,643.77
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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.