Finding the Fourth Proportional to 328,862.80, 453,831.86 and 177,959.80
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Solution
The fourth proportional to 328,862.80, 453,831.86 and 177,959.80 is: 245,585.17
Step by Step Solution
- Step 1: Write the proportion equation
328,862.80 : 453,831.86 = 177,959.80 : x - Step 2: Convert to fraction form
328,862.80/453,831.86 = 177,959.80/x - Step 3: Cross multiply
328,862.80x = 453,831.86 × 177,959.80 - Step 4: Simplify right side
328,862.80x = 80,763,827,039.23 - Step 5: Solve for x
x = 80,763,827,039.23/328,862.80 - Step 6: Final answer
x = 245,585.17
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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.