Finding the Fourth Proportional to 552,893.80, 829,340.70 and 272,957.80
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Solution
The fourth proportional to 552,893.80, 829,340.70 and 272,957.80 is: 409,436.70
Step by Step Solution
- Step 1: Write the proportion equation
552,893.80 : 829,340.70 = 272,957.80 : x - Step 2: Convert to fraction form
552,893.80/829,340.70 = 272,957.80/x - Step 3: Cross multiply
552,893.80x = 829,340.70 × 272,957.80 - Step 4: Simplify right side
552,893.80x = 226,375,012,922.46 - Step 5: Solve for x
x = 226,375,012,922.46/552,893.80 - Step 6: Final answer
x = 409,436.70
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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.