Finding the Fourth Proportional to 193,369.04, 266,865.36 and 107,336.12
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Solution
The fourth proportional to 193,369.04, 266,865.36 and 107,336.12 is: 148,132.77
Step by Step Solution
- Step 1: Write the proportion equation
193,369.04 : 266,865.36 = 107,336.12 : x - Step 2: Convert to fraction form
193,369.04/266,865.36 = 107,336.12/x - Step 3: Cross multiply
193,369.04x = 266,865.36 × 107,336.12 - Step 4: Simplify right side
193,369.04x = 28,644,292,304.80 - Step 5: Solve for x
x = 28,644,292,304.80/193,369.04 - Step 6: Final answer
x = 148,132.77
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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.