Finding the Fourth Proportional to 248,929.68, 343,509.40 and 141,484.80
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Solution
The fourth proportional to 248,929.68, 343,509.40 and 141,484.80 is: 195,241.32
Step by Step Solution
- Step 1: Write the proportion equation
248,929.68 : 343,509.40 = 141,484.80 : x - Step 2: Convert to fraction form
248,929.68/343,509.40 = 141,484.80/x - Step 3: Cross multiply
248,929.68x = 343,509.40 × 141,484.80 - Step 4: Simplify right side
248,929.68x = 48,601,358,757.12 - Step 5: Solve for x
x = 48,601,358,757.12/248,929.68 - Step 6: Final answer
x = 195,241.32
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1.5x scale
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.