Finding the Fourth Proportional to 193,412.40, 266,935.68 and 108,534.48
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Solution
The fourth proportional to 193,412.40, 266,935.68 and 108,534.48 is: 149,792.49
Step by Step Solution
- Step 1: Write the proportion equation
193,412.40 : 266,935.68 = 108,534.48 : x - Step 2: Convert to fraction form
193,412.40/266,935.68 = 108,534.48/x - Step 3: Cross multiply
193,412.40x = 266,935.68 × 108,534.48 - Step 4: Simplify right side
193,412.40x = 28,971,725,222.25 - Step 5: Solve for x
x = 28,971,725,222.25/193,412.40 - Step 6: Final answer
x = 149,792.49
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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.