Finding the Fourth Proportional to 219,051.06, 302,288.94 and 118,449.06
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Solution
The fourth proportional to 219,051.06, 302,288.94 and 118,449.06 is: 163,458.88
Step by Step Solution
- Step 1: Write the proportion equation
219,051.06 : 302,288.94 = 118,449.06 : x - Step 2: Convert to fraction form
219,051.06/302,288.94 = 118,449.06/x - Step 3: Cross multiply
219,051.06x = 302,288.94 × 118,449.06 - Step 4: Simplify right side
219,051.06x = 35,805,840,791.40 - Step 5: Solve for x
x = 35,805,840,791.40/219,051.06 - Step 6: Final answer
x = 163,458.88
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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.