Finding the Fourth Proportional to 384,281.68, 576,424.21 and 159,641.93
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Solution
The fourth proportional to 384,281.68, 576,424.21 and 159,641.93 is: 239,463.60
Step by Step Solution
- Step 1: Write the proportion equation
384,281.68 : 576,424.21 = 159,641.93 : x - Step 2: Convert to fraction form
384,281.68/576,424.21 = 159,641.93/x - Step 3: Cross multiply
384,281.68x = 576,424.21 × 159,641.93 - Step 4: Simplify right side
384,281.68x = 92,021,473,383.13 - Step 5: Solve for x
x = 92,021,473,383.13/384,281.68 - Step 6: Final answer
x = 239,463.60
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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.