Finding the Fourth Proportional to 221,080.84, 304,782.63 and 186,952.40
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Solution
The fourth proportional to 221,080.84, 304,782.63 and 186,952.40 is: 257,733.07
Step by Step Solution
- Step 1: Write the proportion equation
221,080.84 : 304,782.63 = 186,952.40 : x - Step 2: Convert to fraction form
221,080.84/304,782.63 = 186,952.40/x - Step 3: Cross multiply
221,080.84x = 304,782.63 × 186,952.40 - Step 4: Simplify right side
221,080.84x = 56,979,843,074.76 - Step 5: Solve for x
x = 56,979,843,074.76/221,080.84 - Step 6: Final answer
x = 257,733.07
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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.