Finding the Fourth Proportional to 287,771.04, 397,124.28 and 160,444.08
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Solution
The fourth proportional to 287,771.04, 397,124.28 and 160,444.08 is: 221,412.97
Step by Step Solution
- Step 1: Write the proportion equation
287,771.04 : 397,124.28 = 160,444.08 : x - Step 2: Convert to fraction form
287,771.04/397,124.28 = 160,444.08/x - Step 3: Cross multiply
287,771.04x = 397,124.28 × 160,444.08 - Step 4: Simplify right side
287,771.04x = 63,716,239,750.26 - Step 5: Solve for x
x = 63,716,239,750.26/287,771.04 - Step 6: Final answer
x = 221,412.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.