Finding the Fourth Proportional to 151,962.24, 209,708.53 and 83,053.09
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Solution
The fourth proportional to 151,962.24, 209,708.53 and 83,053.09 is: 114,613.61
Step by Step Solution
- Step 1: Write the proportion equation
151,962.24 : 209,708.53 = 83,053.09 : x - Step 2: Convert to fraction form
151,962.24/209,708.53 = 83,053.09/x - Step 3: Cross multiply
151,962.24x = 209,708.53 × 83,053.09 - Step 4: Simplify right side
151,962.24x = 17,416,941,415.86 - Step 5: Solve for x
x = 17,416,941,415.86/151,962.24 - Step 6: Final answer
x = 114,613.61
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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.