Finding the Fourth Proportional to 147,437.47, 203,328.75 and 109,292.05
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Solution
The fourth proportional to 147,437.47, 203,328.75 and 109,292.05 is: 150,722.99
Step by Step Solution
- Step 1: Write the proportion equation
147,437.47 : 203,328.75 = 109,292.05 : x - Step 2: Convert to fraction form
147,437.47/203,328.75 = 109,292.05/x - Step 3: Cross multiply
147,437.47x = 203,328.75 × 109,292.05 - Step 4: Simplify right side
147,437.47x = 22,222,215,911.44 - Step 5: Solve for x
x = 22,222,215,911.44/147,437.47 - Step 6: Final answer
x = 150,722.99
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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.