Finding the Fourth Proportional to 312,518.74, 468,799.98 and 154,704.82
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Solution
The fourth proportional to 312,518.74, 468,799.98 and 154,704.82 is: 232,068.06
Step by Step Solution
- Step 1: Write the proportion equation
312,518.74 : 468,799.98 = 154,704.82 : x - Step 2: Convert to fraction form
312,518.74/468,799.98 = 154,704.82/x - Step 3: Cross multiply
312,518.74x = 468,799.98 × 154,704.82 - Step 4: Simplify right side
312,518.74x = 72,525,616,521.90 - Step 5: Solve for x
x = 72,525,616,521.90/312,518.74 - Step 6: Final answer
x = 232,068.06
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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.