Finding the Fourth Proportional to 268,192.15, 370,179.66 and 153,535.03
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Solution
The fourth proportional to 268,192.15, 370,179.66 and 153,535.03 is: 211,920.99
Step by Step Solution
- Step 1: Write the proportion equation
268,192.15 : 370,179.66 = 153,535.03 : x - Step 2: Convert to fraction form
268,192.15/370,179.66 = 153,535.03/x - Step 3: Cross multiply
268,192.15x = 370,179.66 × 153,535.03 - Step 4: Simplify right side
268,192.15x = 56,835,545,203.49 - Step 5: Solve for x
x = 56,835,545,203.49/268,192.15 - Step 6: Final answer
x = 211,920.99
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1.5x scale
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.