Finding the Fourth Proportional to 352,077.84, 485,929.53 and 208,916.82
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Solution
The fourth proportional to 352,077.84, 485,929.53 and 208,916.82 is: 288,342.07
Step by Step Solution
- Step 1: Write the proportion equation
352,077.84 : 485,929.53 = 208,916.82 : x - Step 2: Convert to fraction form
352,077.84/485,929.53 = 208,916.82/x - Step 3: Cross multiply
352,077.84x = 485,929.53 × 208,916.82 - Step 4: Simplify right side
352,077.84x = 101,518,852,151.70 - Step 5: Solve for x
x = 101,518,852,151.70/352,077.84 - Step 6: Final answer
x = 288,342.07
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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.