Finding the Fourth Proportional to 331,852.84, 497,781.06 and 82,534.84
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Solution
The fourth proportional to 331,852.84, 497,781.06 and 82,534.84 is: 123,802.71
Step by Step Solution
- Step 1: Write the proportion equation
331,852.84 : 497,781.06 = 82,534.84 : x - Step 2: Convert to fraction form
331,852.84/497,781.06 = 82,534.84/x - Step 3: Cross multiply
331,852.84x = 497,781.06 × 82,534.84 - Step 4: Simplify right side
331,852.84x = 41,084,280,142.13 - Step 5: Solve for x
x = 41,084,280,142.13/331,852.84 - Step 6: Final answer
x = 123,802.71
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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.