Finding the Fourth Proportional to 614,416.30, 921,536.97 and 193,637.50
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Solution
The fourth proportional to 614,416.30, 921,536.97 and 193,637.50 is: 290,428.68
Step by Step Solution
- Step 1: Write the proportion equation
614,416.30 : 921,536.97 = 193,637.50 : x - Step 2: Convert to fraction form
614,416.30/921,536.97 = 193,637.50/x - Step 3: Cross multiply
614,416.30x = 921,536.97 × 193,637.50 - Step 4: Simplify right side
614,416.30x = 178,444,115,028.38 - Step 5: Solve for x
x = 178,444,115,028.38/614,416.30 - Step 6: Final answer
x = 290,428.68
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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.