Finding the Fourth Proportional to 248,594.42, 343,058.54 and 135,417.18
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Solution
The fourth proportional to 248,594.42, 343,058.54 and 135,417.18 is: 186,874.75
Step by Step Solution
- Step 1: Write the proportion equation
248,594.42 : 343,058.54 = 135,417.18 : x - Step 2: Convert to fraction form
248,594.42/343,058.54 = 135,417.18/x - Step 3: Cross multiply
248,594.42x = 343,058.54 × 135,417.18 - Step 4: Simplify right side
248,594.42x = 46,456,020,061.72 - Step 5: Solve for x
x = 46,456,020,061.72/248,594.42 - Step 6: Final answer
x = 186,874.75
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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.