Finding the Fourth Proportional to 248,681.16, 343,182.57 and 135,503.91
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Solution
The fourth proportional to 248,681.16, 343,182.57 and 135,503.91 is: 186,996.80
Step by Step Solution
- Step 1: Write the proportion equation
248,681.16 : 343,182.57 = 135,503.91 : x - Step 2: Convert to fraction form
248,681.16/343,182.57 = 135,503.91/x - Step 3: Cross multiply
248,681.16x = 343,182.57 × 135,503.91 - Step 4: Simplify right side
248,681.16x = 46,502,580,078.85 - Step 5: Solve for x
x = 46,502,580,078.85/248,681.16 - Step 6: Final answer
x = 186,996.80
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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.