Finding the Fourth Proportional to 230,957.06, 346,464.75 and 73,129.10
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Solution
The fourth proportional to 230,957.06, 346,464.75 and 73,129.10 is: 109,702.88
Step by Step Solution
- Step 1: Write the proportion equation
230,957.06 : 346,464.75 = 73,129.10 : x - Step 2: Convert to fraction form
230,957.06/346,464.75 = 73,129.10/x - Step 3: Cross multiply
230,957.06x = 346,464.75 × 73,129.10 - Step 4: Simplify right side
230,957.06x = 25,336,655,349.23 - Step 5: Solve for x
x = 25,336,655,349.23/230,957.06 - Step 6: Final answer
x = 109,702.88
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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.