Finding the Fourth Proportional to 248,349.18, 342,722.53 and 140,918.93
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Solution
The fourth proportional to 248,349.18, 342,722.53 and 140,918.93 is: 194,468.49
Step by Step Solution
- Step 1: Write the proportion equation
248,349.18 : 342,722.53 = 140,918.93 : x - Step 2: Convert to fraction form
248,349.18/342,722.53 = 140,918.93/x - Step 3: Cross multiply
248,349.18x = 342,722.53 × 140,918.93 - Step 4: Simplify right side
248,349.18x = 48,296,091,962.24 - Step 5: Solve for x
x = 48,296,091,962.24/248,349.18 - Step 6: Final answer
x = 194,468.49
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1.5x scale
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.