Finding the Fourth Proportional to 640,972.84, 960,781.29 and 241,440.75
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Solution
The fourth proportional to 640,972.84, 960,781.29 and 241,440.75 is: 361,905.75
Step by Step Solution
- Step 1: Write the proportion equation
640,972.84 : 960,781.29 = 241,440.75 : x - Step 2: Convert to fraction form
640,972.84/960,781.29 = 241,440.75/x - Step 3: Cross multiply
640,972.84x = 960,781.29 × 241,440.75 - Step 4: Simplify right side
640,972.84x = 231,971,755,243.57 - Step 5: Solve for x
x = 231,971,755,243.57/640,972.84 - Step 6: Final answer
x = 361,905.75
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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.