Finding the Fourth Proportional to 572,557.70, 858,102.15 and 319,837.70
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Solution
The fourth proportional to 572,557.70, 858,102.15 and 319,837.70 is: 479,346.31
Step by Step Solution
- Step 1: Write the proportion equation
572,557.70 : 858,102.15 = 319,837.70 : x - Step 2: Convert to fraction form
572,557.70/858,102.15 = 319,837.70/x - Step 3: Cross multiply
572,557.70x = 858,102.15 × 319,837.70 - Step 4: Simplify right side
572,557.70x = 274,453,418,021.06 - Step 5: Solve for x
x = 274,453,418,021.06/572,557.70 - Step 6: Final answer
x = 479,346.31
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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.