Finding the Fourth Proportional to 614,780.16, 922,584.69 and 215,424.51
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Solution
The fourth proportional to 614,780.16, 922,584.69 and 215,424.51 is: 323,281.99
Step by Step Solution
- Step 1: Write the proportion equation
614,780.16 : 922,584.69 = 215,424.51 : x - Step 2: Convert to fraction form
614,780.16/922,584.69 = 215,424.51/x - Step 3: Cross multiply
614,780.16x = 922,584.69 × 215,424.51 - Step 4: Simplify right side
614,780.16x = 198,747,354,776.75 - Step 5: Solve for x
x = 198,747,354,776.75/614,780.16 - Step 6: Final answer
x = 323,281.99
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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.