Finding the Fourth Proportional to 147,412.80, 203,429.73 and 83,750.70
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Solution
The fourth proportional to 147,412.80, 203,429.73 and 83,750.70 is: 115,576.00
Step by Step Solution
- Step 1: Write the proportion equation
147,412.80 : 203,429.73 = 83,750.70 : x - Step 2: Convert to fraction form
147,412.80/203,429.73 = 83,750.70/x - Step 3: Cross multiply
147,412.80x = 203,429.73 × 83,750.70 - Step 4: Simplify right side
147,412.80x = 17,037,382,288.31 - Step 5: Solve for x
x = 17,037,382,288.31/147,412.80 - Step 6: Final answer
x = 115,576.00
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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.