Finding the Fourth Proportional to 410,473.93, 615,731.64 and 157,665.79
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Solution
The fourth proportional to 410,473.93, 615,731.64 and 157,665.79 is: 236,506.65
Step by Step Solution
- Step 1: Write the proportion equation
410,473.93 : 615,731.64 = 157,665.79 : x - Step 2: Convert to fraction form
410,473.93/615,731.64 = 157,665.79/x - Step 3: Cross multiply
410,473.93x = 615,731.64 × 157,665.79 - Step 4: Simplify right side
410,473.93x = 97,079,815,448.60 - Step 5: Solve for x
x = 97,079,815,448.60/410,473.93 - Step 6: Final answer
x = 236,506.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.