Finding the Fourth Proportional to 248,403.51, 342,841.71 and 146,423.09
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Solution
The fourth proportional to 248,403.51, 342,841.71 and 146,423.09 is: 202,090.32
Step by Step Solution
- Step 1: Write the proportion equation
248,403.51 : 342,841.71 = 146,423.09 : x - Step 2: Convert to fraction form
248,403.51/342,841.71 = 146,423.09/x - Step 3: Cross multiply
248,403.51x = 342,841.71 × 146,423.09 - Step 4: Simplify right side
248,403.51x = 50,199,943,965.27 - Step 5: Solve for x
x = 50,199,943,965.27/248,403.51 - Step 6: Final answer
x = 202,090.32
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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.