Finding the Fourth Proportional to 248,867.18, 343,437.05 and 135,689.93
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Solution
The fourth proportional to 248,867.18, 343,437.05 and 135,689.93 is: 187,252.28
Step by Step Solution
- Step 1: Write the proportion equation
248,867.18 : 343,437.05 = 135,689.93 : x - Step 2: Convert to fraction form
248,867.18/343,437.05 = 135,689.93/x - Step 3: Cross multiply
248,867.18x = 343,437.05 × 135,689.93 - Step 4: Simplify right side
248,867.18x = 46,600,946,878.27 - Step 5: Solve for x
x = 46,600,946,878.27/248,867.18 - Step 6: Final answer
x = 187,252.28
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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.