Finding the Fourth Proportional to 614,326.68, 921,905.21 and 214,970.96
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Solution
The fourth proportional to 614,326.68, 921,905.21 and 214,970.96 is: 322,601.73
Step by Step Solution
- Step 1: Write the proportion equation
614,326.68 : 921,905.21 = 214,970.96 : x - Step 2: Convert to fraction form
614,326.68/921,905.21 = 214,970.96/x - Step 3: Cross multiply
614,326.68x = 921,905.21 × 214,970.96 - Step 4: Simplify right side
614,326.68x = 198,182,850,864.89 - Step 5: Solve for x
x = 198,182,850,864.89/614,326.68 - Step 6: Final answer
x = 322,601.73
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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.