Finding the Fourth Proportional to 410,469.93, 615,725.64 and 157,661.79
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Solution
The fourth proportional to 410,469.93, 615,725.64 and 157,661.79 is: 236,500.65
Step by Step Solution
- Step 1: Write the proportion equation
410,469.93 : 615,725.64 = 157,661.79 : x - Step 2: Convert to fraction form
410,469.93/615,725.64 = 157,661.79/x - Step 3: Cross multiply
410,469.93x = 615,725.64 × 157,661.79 - Step 4: Simplify right side
410,469.93x = 97,076,406,551.30 - Step 5: Solve for x
x = 97,076,406,551.30/410,469.93 - Step 6: Final answer
x = 236,500.65
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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.