Finding the Fourth Proportional to 438,194.24, 604,708.08 and 236,990.24
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Solution
The fourth proportional to 438,194.24, 604,708.08 and 236,990.24 is: 327,046.55
Step by Step Solution
- Step 1: Write the proportion equation
438,194.24 : 604,708.08 = 236,990.24 : x - Step 2: Convert to fraction form
438,194.24/604,708.08 = 236,990.24/x - Step 3: Cross multiply
438,194.24x = 604,708.08 × 236,990.24 - Step 4: Simplify right side
438,194.24x = 143,309,913,009.14 - Step 5: Solve for x
x = 143,309,913,009.14/438,194.24 - Step 6: Final answer
x = 327,046.55
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1.5x scale
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.