Finding the Fourth Proportional to 147,338.68, 203,320.36 and 83,667.84
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Solution
The fourth proportional to 147,338.68, 203,320.36 and 83,667.84 is: 115,457.63
Step by Step Solution
- Step 1: Write the proportion equation
147,338.68 : 203,320.36 = 83,667.84 : x - Step 2: Convert to fraction form
147,338.68/203,320.36 = 83,667.84/x - Step 3: Cross multiply
147,338.68x = 203,320.36 × 83,667.84 - Step 4: Simplify right side
147,338.68x = 17,011,375,349.22 - Step 5: Solve for x
x = 17,011,375,349.22/147,338.68 - Step 6: Final answer
x = 115,457.63
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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.