Finding the Fourth Proportional to 578,208.73, 867,276.16 and 178,816.06
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Solution
The fourth proportional to 578,208.73, 867,276.16 and 178,816.06 is: 268,212.67
Step by Step Solution
- Step 1: Write the proportion equation
578,208.73 : 867,276.16 = 178,816.06 : x - Step 2: Convert to fraction form
578,208.73/867,276.16 = 178,816.06/x - Step 3: Cross multiply
578,208.73x = 867,276.16 × 178,816.06 - Step 4: Simplify right side
578,208.73x = 155,082,905,863.13 - Step 5: Solve for x
x = 155,082,905,863.13/578,208.73 - Step 6: Final answer
x = 268,212.67
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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.