Finding the Fourth Proportional to 147,306.94, 203,284.97 and 83,646.07
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Solution
The fourth proportional to 147,306.94, 203,284.97 and 83,646.07 is: 115,432.37
Step by Step Solution
- Step 1: Write the proportion equation
147,306.94 : 203,284.97 = 83,646.07 : x - Step 2: Convert to fraction form
147,306.94/203,284.97 = 83,646.07/x - Step 3: Cross multiply
147,306.94x = 203,284.97 × 83,646.07 - Step 4: Simplify right side
147,306.94x = 17,003,988,830.57 - Step 5: Solve for x
x = 17,003,988,830.57/147,306.94 - Step 6: Final answer
x = 115,432.37
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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.