Finding the Fourth Proportional to 287,048.01, 430,571.61 and 97,528.07
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Solution
The fourth proportional to 287,048.01, 430,571.61 and 97,528.07 is: 146,291.96
Step by Step Solution
- Step 1: Write the proportion equation
287,048.01 : 430,571.61 = 97,528.07 : x - Step 2: Convert to fraction form
287,048.01/430,571.61 = 97,528.07/x - Step 3: Cross multiply
287,048.01x = 430,571.61 × 97,528.07 - Step 4: Simplify right side
287,048.01x = 41,992,815,967.23 - Step 5: Solve for x
x = 41,992,815,967.23/287,048.01 - Step 6: Final answer
x = 146,291.96
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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.