Finding the Fourth Proportional to 635,100.84, 876,428.16 and 344,706.18
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Solution
The fourth proportional to 635,100.84, 876,428.16 and 344,706.18 is: 475,688.55
Step by Step Solution
- Step 1: Write the proportion equation
635,100.84 : 876,428.16 = 344,706.18 : x - Step 2: Convert to fraction form
635,100.84/876,428.16 = 344,706.18/x - Step 3: Cross multiply
635,100.84x = 876,428.16 × 344,706.18 - Step 4: Simplify right side
635,100.84x = 302,110,199,557.65 - Step 5: Solve for x
x = 302,110,199,557.65/635,100.84 - Step 6: Final answer
x = 475,688.55
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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.