Finding the Fourth Proportional to 135,282.60, 186,695.49 and 74,852.26
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Solution
The fourth proportional to 135,282.60, 186,695.49 and 74,852.26 is: 103,299.16
Step by Step Solution
- Step 1: Write the proportion equation
135,282.60 : 186,695.49 = 74,852.26 : x - Step 2: Convert to fraction form
135,282.60/186,695.49 = 74,852.26/x - Step 3: Cross multiply
135,282.60x = 186,695.49 × 74,852.26 - Step 4: Simplify right side
135,282.60x = 13,974,579,358.31 - Step 5: Solve for x
x = 13,974,579,358.31/135,282.60 - Step 6: Final answer
x = 103,299.16
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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.