Finding the Fourth Proportional to 376,731.21, 519,588.39 and 247,802.09
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Solution
The fourth proportional to 376,731.21, 519,588.39 and 247,802.09 is: 341,769.11
Step by Step Solution
- Step 1: Write the proportion equation
376,731.21 : 519,588.39 = 247,802.09 : x - Step 2: Convert to fraction form
376,731.21/519,588.39 = 247,802.09/x - Step 3: Cross multiply
376,731.21x = 519,588.39 × 247,802.09 - Step 4: Simplify right side
376,731.21x = 128,755,088,841.85 - Step 5: Solve for x
x = 128,755,088,841.85/376,731.21 - Step 6: Final answer
x = 341,769.11
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.