Finding the Fourth Proportional to 322,178.79, 444,612.20 and 176,990.70
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Solution
The fourth proportional to 322,178.79, 444,612.20 and 176,990.70 is: 244,250.17
Step by Step Solution
- Step 1: Write the proportion equation
322,178.79 : 444,612.20 = 176,990.70 : x - Step 2: Convert to fraction form
322,178.79/444,612.20 = 176,990.70/x - Step 3: Cross multiply
322,178.79x = 444,612.20 × 176,990.70 - Step 4: Simplify right side
322,178.79x = 78,692,223,621.59 - Step 5: Solve for x
x = 78,692,223,621.59/322,178.79 - Step 6: Final answer
x = 244,250.17
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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.