Finding the Fourth Proportional to 408,831.60, 564,182.01 and 227,543.63
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Solution
The fourth proportional to 408,831.60, 564,182.01 and 227,543.63 is: 314,007.09
Step by Step Solution
- Step 1: Write the proportion equation
408,831.60 : 564,182.01 = 227,543.63 : x - Step 2: Convert to fraction form
408,831.60/564,182.01 = 227,543.63/x - Step 3: Cross multiply
408,831.60x = 564,182.01 × 227,543.63 - Step 4: Simplify right side
408,831.60x = 128,376,022,888.71 - Step 5: Solve for x
x = 128,376,022,888.71/408,831.60 - Step 6: Final answer
x = 314,007.09
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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.