Finding the Fourth Proportional to 248,987.38, 343,602.59 and 135,810.13
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Solution
The fourth proportional to 248,987.38, 343,602.59 and 135,810.13 is: 187,417.98
Step by Step Solution
- Step 1: Write the proportion equation
248,987.38 : 343,602.59 = 135,810.13 : x - Step 2: Convert to fraction form
248,987.38/343,602.59 = 135,810.13/x - Step 3: Cross multiply
248,987.38x = 343,602.59 × 135,810.13 - Step 4: Simplify right side
248,987.38x = 46,664,712,416.24 - Step 5: Solve for x
x = 46,664,712,416.24/248,987.38 - Step 6: Final answer
x = 187,417.98
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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.