Finding the Fourth Proportional to 163,332.80, 244,941.60 and 74,628.80
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Solution
The fourth proportional to 163,332.80, 244,941.60 and 74,628.80 is: 111,916.88
Step by Step Solution
- Step 1: Write the proportion equation
163,332.80 : 244,941.60 = 74,628.80 : x - Step 2: Convert to fraction form
163,332.80/244,941.60 = 74,628.80/x - Step 3: Cross multiply
163,332.80x = 244,941.60 × 74,628.80 - Step 4: Simplify right side
163,332.80x = 18,279,697,678.08 - Step 5: Solve for x
x = 18,279,697,678.08/163,332.80 - Step 6: Final answer
x = 111,916.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.