Finding the Fourth Proportional to 371,787.84, 513,070.46 and 202,021.96
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Solution
The fourth proportional to 371,787.84, 513,070.46 and 202,021.96 is: 278,792.07
Step by Step Solution
- Step 1: Write the proportion equation
371,787.84 : 513,070.46 = 202,021.96 : x - Step 2: Convert to fraction form
371,787.84/513,070.46 = 202,021.96/x - Step 3: Cross multiply
371,787.84x = 513,070.46 × 202,021.96 - Step 4: Simplify right side
371,787.84x = 103,651,499,947.30 - Step 5: Solve for x
x = 103,651,499,947.30/371,787.84 - Step 6: Final answer
x = 278,792.07
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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.