Finding the Fourth Proportional to 315,901.80, 473,852.70 and 310,717.80
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Solution
The fourth proportional to 315,901.80, 473,852.70 and 310,717.80 is: 466,076.70
Step by Step Solution
- Step 1: Write the proportion equation
315,901.80 : 473,852.70 = 310,717.80 : x - Step 2: Convert to fraction form
315,901.80/473,852.70 = 310,717.80/x - Step 3: Cross multiply
315,901.80x = 473,852.70 × 310,717.80 - Step 4: Simplify right side
315,901.80x = 147,234,468,468.06 - Step 5: Solve for x
x = 147,234,468,468.06/315,901.80 - Step 6: Final answer
x = 466,076.70
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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.