Finding the Fourth Proportional to 395,388.06, 545,613.94 and 234,258.00
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Solution
The fourth proportional to 395,388.06, 545,613.94 and 234,258.00 is: 323,263.25
Step by Step Solution
- Step 1: Write the proportion equation
395,388.06 : 545,613.94 = 234,258.00 : x - Step 2: Convert to fraction form
395,388.06/545,613.94 = 234,258.00/x - Step 3: Cross multiply
395,388.06x = 545,613.94 × 234,258.00 - Step 4: Simplify right side
395,388.06x = 127,814,426,457.16 - Step 5: Solve for x
x = 127,814,426,457.16/395,388.06 - Step 6: Final answer
x = 323,263.25
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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.