Finding the Fourth Proportional to 320,923.06, 442,880.58 and 175,734.96
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Solution
The fourth proportional to 320,923.06, 442,880.58 and 175,734.96 is: 242,517.94
Step by Step Solution
- Step 1: Write the proportion equation
320,923.06 : 442,880.58 = 175,734.96 : x - Step 2: Convert to fraction form
320,923.06/442,880.58 = 175,734.96/x - Step 3: Cross multiply
320,923.06x = 442,880.58 × 175,734.96 - Step 4: Simplify right side
320,923.06x = 77,829,601,011.08 - Step 5: Solve for x
x = 77,829,601,011.08/320,923.06 - Step 6: Final answer
x = 242,517.94
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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.