Finding the Fourth Proportional to 474,386.10, 711,578.59 and 154,537.45
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Solution
The fourth proportional to 474,386.10, 711,578.59 and 154,537.45 is: 231,805.99
Step by Step Solution
- Step 1: Write the proportion equation
474,386.10 : 711,578.59 = 154,537.45 : x - Step 2: Convert to fraction form
474,386.10/711,578.59 = 154,537.45/x - Step 3: Cross multiply
474,386.10x = 711,578.59 × 154,537.45 - Step 4: Simplify right side
474,386.10x = 109,965,540,000.51 - Step 5: Solve for x
x = 109,965,540,000.51/474,386.10 - Step 6: Final answer
x = 231,805.99
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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.