Finding the Fourth Proportional to 310,740.20, 465,775.41 and 150,476.84
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Solution
The fourth proportional to 310,740.20, 465,775.41 and 150,476.84 is: 225,553.09
Step by Step Solution
- Step 1: Write the proportion equation
310,740.20 : 465,775.41 = 150,476.84 : x - Step 2: Convert to fraction form
310,740.20/465,775.41 = 150,476.84/x - Step 3: Cross multiply
310,740.20x = 465,775.41 × 150,476.84 - Step 4: Simplify right side
310,740.20x = 70,088,411,828.57 - Step 5: Solve for x
x = 70,088,411,828.57/310,740.20 - Step 6: Final answer
x = 225,553.09
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1.5x scale
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.