Finding the Fourth Proportional to 578,623.41, 867,976.70 and 199,538.70
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Solution
The fourth proportional to 578,623.41, 867,976.70 and 199,538.70 is: 299,322.39
Step by Step Solution
- Step 1: Write the proportion equation
578,623.41 : 867,976.70 = 199,538.70 : x - Step 2: Convert to fraction form
578,623.41/867,976.70 = 199,538.70/x - Step 3: Cross multiply
578,623.41x = 867,976.70 × 199,538.70 - Step 4: Simplify right side
578,623.41x = 173,194,941,350.60 - Step 5: Solve for x
x = 173,194,941,350.60/578,623.41 - Step 6: Final answer
x = 299,322.39
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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.