Finding the Fourth Proportional to 384,362.18, 576,043.18 and 156,392.12
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Solution
The fourth proportional to 384,362.18, 576,043.18 and 156,392.12 is: 234,384.70
Step by Step Solution
- Step 1: Write the proportion equation
384,362.18 : 576,043.18 = 156,392.12 : x - Step 2: Convert to fraction form
384,362.18/576,043.18 = 156,392.12/x - Step 3: Cross multiply
384,362.18x = 576,043.18 × 156,392.12 - Step 4: Simplify right side
384,362.18x = 90,088,614,131.74 - Step 5: Solve for x
x = 90,088,614,131.74/384,362.18 - Step 6: Final answer
x = 234,384.70
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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.