Finding the Fourth Proportional to 614,865.98, 922,430.28 and 215,531.12
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Solution
The fourth proportional to 614,865.98, 922,430.28 and 215,531.12 is: 323,342.71
Step by Step Solution
- Step 1: Write the proportion equation
614,865.98 : 922,430.28 = 215,531.12 : x - Step 2: Convert to fraction form
614,865.98/922,430.28 = 215,531.12/x - Step 3: Cross multiply
614,865.98x = 922,430.28 × 215,531.12 - Step 4: Simplify right side
614,865.98x = 198,812,431,370.31 - Step 5: Solve for x
x = 198,812,431,370.31/614,865.98 - Step 6: Final answer
x = 323,342.71
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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.