Finding the Fourth Proportional to 248,736.36, 343,257.34 and 141,312.29
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Solution
The fourth proportional to 248,736.36, 343,257.34 and 141,312.29 is: 195,011.62
Step by Step Solution
- Step 1: Write the proportion equation
248,736.36 : 343,257.34 = 141,312.29 : x - Step 2: Convert to fraction form
248,736.36/343,257.34 = 141,312.29/x - Step 3: Cross multiply
248,736.36x = 343,257.34 × 141,312.29 - Step 4: Simplify right side
248,736.36x = 48,506,480,560.21 - Step 5: Solve for x
x = 48,506,480,560.21/248,736.36 - Step 6: Final answer
x = 195,011.62
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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.