Finding the Fourth Proportional to 215,009.16, 296,686.86 and 118,197.06
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Solution
The fourth proportional to 215,009.16, 296,686.86 and 118,197.06 is: 163,097.77
Step by Step Solution
- Step 1: Write the proportion equation
215,009.16 : 296,686.86 = 118,197.06 : x - Step 2: Convert to fraction form
215,009.16/296,686.86 = 118,197.06/x - Step 3: Cross multiply
215,009.16x = 296,686.86 × 118,197.06 - Step 4: Simplify right side
215,009.16x = 35,067,514,592.63 - Step 5: Solve for x
x = 35,067,514,592.63/215,009.16 - Step 6: Final answer
x = 163,097.77
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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.