Finding the Fourth Proportional to 438,035.79, 604,489.37 and 236,831.79
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Solution
The fourth proportional to 438,035.79, 604,489.37 and 236,831.79 is: 326,827.86
Step by Step Solution
- Step 1: Write the proportion equation
438,035.79 : 604,489.37 = 236,831.79 : x - Step 2: Convert to fraction form
438,035.79/604,489.37 = 236,831.79/x - Step 3: Cross multiply
438,035.79x = 604,489.37 × 236,831.79 - Step 4: Simplify right side
438,035.79x = 143,162,299,533.07 - Step 5: Solve for x
x = 143,162,299,533.07/438,035.79 - Step 6: Final answer
x = 326,827.86
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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.