Finding the Fourth Proportional to 149,826.49, 206,802.26 and 86,184.79
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Solution
The fourth proportional to 149,826.49, 206,802.26 and 86,184.79 is: 118,959.00
Step by Step Solution
- Step 1: Write the proportion equation
149,826.49 : 206,802.26 = 86,184.79 : x - Step 2: Convert to fraction form
149,826.49/206,802.26 = 86,184.79/x - Step 3: Cross multiply
149,826.49x = 206,802.26 × 86,184.79 - Step 4: Simplify right side
149,826.49x = 17,823,209,349.63 - Step 5: Solve for x
x = 17,823,209,349.63/149,826.49 - Step 6: Final answer
x = 118,959.00
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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.