Finding the Fourth Proportional to 545,557.54, 752,869.62 and 316,247.82
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Solution
The fourth proportional to 545,557.54, 752,869.62 and 316,247.82 is: 436,422.12
Step by Step Solution
- Step 1: Write the proportion equation
545,557.54 : 752,869.62 = 316,247.82 : x - Step 2: Convert to fraction form
545,557.54/752,869.62 = 316,247.82/x - Step 3: Cross multiply
545,557.54x = 752,869.62 × 316,247.82 - Step 4: Simplify right side
545,557.54x = 238,093,376,069.23 - Step 5: Solve for x
x = 238,093,376,069.23/545,557.54 - Step 6: Final answer
x = 436,422.12
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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.