Finding the Fourth Proportional to 614,239.19, 921,489.98 and 214,892.99
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Solution
The fourth proportional to 614,239.19, 921,489.98 and 214,892.99 is: 322,385.38
Step by Step Solution
- Step 1: Write the proportion equation
614,239.19 : 921,489.98 = 214,892.99 : x - Step 2: Convert to fraction form
614,239.19/921,489.98 = 214,892.99/x - Step 3: Cross multiply
614,239.19x = 921,489.98 × 214,892.99 - Step 4: Simplify right side
614,239.19x = 198,021,732,987.02 - Step 5: Solve for x
x = 198,021,732,987.02/614,239.19 - Step 6: Final answer
x = 322,385.38
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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.