Finding the Fourth Proportional to 145,933.90, 218,781.99 and 97,951.99
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Solution
The fourth proportional to 145,933.90, 218,781.99 and 97,951.99 is: 146,848.21
Step by Step Solution
- Step 1: Write the proportion equation
145,933.90 : 218,781.99 = 97,951.99 : x - Step 2: Convert to fraction form
145,933.90/218,781.99 = 97,951.99/x - Step 3: Cross multiply
145,933.90x = 218,781.99 × 97,951.99 - Step 4: Simplify right side
145,933.90x = 21,430,131,296.66 - Step 5: Solve for x
x = 21,430,131,296.66/145,933.90 - Step 6: Final answer
x = 146,848.21
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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.