Finding the Fourth Proportional to 150,589.08, 207,823.47 and 86,067.82
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Solution
The fourth proportional to 150,589.08, 207,823.47 and 86,067.82 is: 118,779.62
Step by Step Solution
- Step 1: Write the proportion equation
150,589.08 : 207,823.47 = 86,067.82 : x - Step 2: Convert to fraction form
150,589.08/207,823.47 = 86,067.82/x - Step 3: Cross multiply
150,589.08x = 207,823.47 × 86,067.82 - Step 4: Simplify right side
150,589.08x = 17,886,913,007.74 - Step 5: Solve for x
x = 17,886,913,007.74/150,589.08 - Step 6: Final answer
x = 118,779.62
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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.