Finding the Fourth Proportional to 248,869.80, 373,304.70 and 209,989.80
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Solution
The fourth proportional to 248,869.80, 373,304.70 and 209,989.80 is: 314,984.70
Step by Step Solution
- Step 1: Write the proportion equation
248,869.80 : 373,304.70 = 209,989.80 : x - Step 2: Convert to fraction form
248,869.80/373,304.70 = 209,989.80/x - Step 3: Cross multiply
248,869.80x = 373,304.70 × 209,989.80 - Step 4: Simplify right side
248,869.80x = 78,390,179,292.06 - Step 5: Solve for x
x = 78,390,179,292.06/248,869.80 - Step 6: Final answer
x = 314,984.70
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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.