Finding the Fourth Proportional to 248,965.84, 343,461.72 and 153,437.68
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Solution
The fourth proportional to 248,965.84, 343,461.72 and 153,437.68 is: 211,675.50
Step by Step Solution
- Step 1: Write the proportion equation
248,965.84 : 343,461.72 = 153,437.68 : x - Step 2: Convert to fraction form
248,965.84/343,461.72 = 153,437.68/x - Step 3: Cross multiply
248,965.84x = 343,461.72 × 153,437.68 - Step 4: Simplify right side
248,965.84x = 52,699,969,485.61 - Step 5: Solve for x
x = 52,699,969,485.61/248,965.84 - Step 6: Final answer
x = 211,675.50
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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.