Finding the Fourth Proportional to 315,137.96, 472,706.70 and 93,521.96
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Solution
The fourth proportional to 315,137.96, 472,706.70 and 93,521.96 is: 140,282.87
Step by Step Solution
- Step 1: Write the proportion equation
315,137.96 : 472,706.70 = 93,521.96 : x - Step 2: Convert to fraction form
315,137.96/472,706.70 = 93,521.96/x - Step 3: Cross multiply
315,137.96x = 472,706.70 × 93,521.96 - Step 4: Simplify right side
315,137.96x = 44,208,457,089.13 - Step 5: Solve for x
x = 44,208,457,089.13/315,137.96 - Step 6: Final answer
x = 140,282.87
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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.