Finding the Fourth Proportional to 302,276.06, 416,963.80 and 193,340.65
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Solution
The fourth proportional to 302,276.06, 416,963.80 and 193,340.65 is: 266,696.78
Step by Step Solution
- Step 1: Write the proportion equation
302,276.06 : 416,963.80 = 193,340.65 : x - Step 2: Convert to fraction form
302,276.06/416,963.80 = 193,340.65/x - Step 3: Cross multiply
302,276.06x = 416,963.80 × 193,340.65 - Step 4: Simplify right side
302,276.06x = 80,616,052,881.35 - Step 5: Solve for x
x = 80,616,052,881.35/302,276.06 - Step 6: Final answer
x = 266,696.78
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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.