Finding the Fourth Proportional to 472,517.64, 708,710.09 and 135,587.00
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Solution
The fourth proportional to 472,517.64, 708,710.09 and 135,587.00 is: 203,361.45
Step by Step Solution
- Step 1: Write the proportion equation
472,517.64 : 708,710.09 = 135,587.00 : x - Step 2: Convert to fraction form
472,517.64/708,710.09 = 135,587.00/x - Step 3: Cross multiply
472,517.64x = 708,710.09 × 135,587.00 - Step 4: Simplify right side
472,517.64x = 96,091,870,751.34 - Step 5: Solve for x
x = 96,091,870,751.34/472,517.64 - Step 6: Final answer
x = 203,361.45
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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.