Finding the Fourth Proportional to 242,696.79, 334,923.12 and 135,273.65
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Solution
The fourth proportional to 242,696.79, 334,923.12 and 135,273.65 is: 186,678.49
Step by Step Solution
- Step 1: Write the proportion equation
242,696.79 : 334,923.12 = 135,273.65 : x - Step 2: Convert to fraction form
242,696.79/334,923.12 = 135,273.65/x - Step 3: Cross multiply
242,696.79x = 334,923.12 × 135,273.65 - Step 4: Simplify right side
242,696.79x = 45,306,271,237.17 - Step 5: Solve for x
x = 45,306,271,237.17/242,696.79 - Step 6: Final answer
x = 186,678.49
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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.