Finding the Fourth Proportional to 575,631.36, 863,349.84 and 154,813.68
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Solution
The fourth proportional to 575,631.36, 863,349.84 and 154,813.68 is: 232,194.38
Step by Step Solution
- Step 1: Write the proportion equation
575,631.36 : 863,349.84 = 154,813.68 : x - Step 2: Convert to fraction form
575,631.36/863,349.84 = 154,813.68/x - Step 3: Cross multiply
575,631.36x = 863,349.84 × 154,813.68 - Step 4: Simplify right side
575,631.36x = 133,658,365,857.81 - Step 5: Solve for x
x = 133,658,365,857.81/575,631.36 - Step 6: Final answer
x = 232,194.38
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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.