Finding the Fourth Proportional to 257,827.73, 386,345.97 and 107,986.01
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Solution
The fourth proportional to 257,827.73, 386,345.97 and 107,986.01 is: 161,813.31
Step by Step Solution
- Step 1: Write the proportion equation
257,827.73 : 386,345.97 = 107,986.01 : x - Step 2: Convert to fraction form
257,827.73/386,345.97 = 107,986.01/x - Step 3: Cross multiply
257,827.73x = 386,345.97 × 107,986.01 - Step 4: Simplify right side
257,827.73x = 41,719,957,848.15 - Step 5: Solve for x
x = 41,719,957,848.15/257,827.73 - Step 6: Final answer
x = 161,813.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.