Finding the Fourth Proportional to 230,284.08, 317,423.96 and 153,651.60
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Solution
The fourth proportional to 230,284.08, 317,423.96 and 153,651.60 is: 211,793.62
Step by Step Solution
- Step 1: Write the proportion equation
230,284.08 : 317,423.96 = 153,651.60 : x - Step 2: Convert to fraction form
230,284.08/317,423.96 = 153,651.60/x - Step 3: Cross multiply
230,284.08x = 317,423.96 × 153,651.60 - Step 4: Simplify right side
230,284.08x = 48,772,698,564.08 - Step 5: Solve for x
x = 48,772,698,564.08/230,284.08 - Step 6: Final answer
x = 211,793.62
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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.