Finding the Fourth Proportional to 623,837.36, 935,658.43 and 203,110.40
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Solution
The fourth proportional to 623,837.36, 935,658.43 and 203,110.40 is: 304,633.82
Step by Step Solution
- Step 1: Write the proportion equation
623,837.36 : 935,658.43 = 203,110.40 : x - Step 2: Convert to fraction form
623,837.36/935,658.43 = 203,110.40/x - Step 3: Cross multiply
623,837.36x = 935,658.43 × 203,110.40 - Step 4: Simplify right side
623,837.36x = 190,041,957,980.67 - Step 5: Solve for x
x = 190,041,957,980.67/623,837.36 - Step 6: Final answer
x = 304,633.82
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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.