Finding the Fourth Proportional to 269,288.80, 403,933.20 and 157,095.70
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Solution
The fourth proportional to 269,288.80, 403,933.20 and 157,095.70 is: 235,643.55
Step by Step Solution
- Step 1: Write the proportion equation
269,288.80 : 403,933.20 = 157,095.70 : x - Step 2: Convert to fraction form
269,288.80/403,933.20 = 157,095.70/x - Step 3: Cross multiply
269,288.80x = 403,933.20 × 157,095.70 - Step 4: Simplify right side
269,288.80x = 63,456,168,807.24 - Step 5: Solve for x
x = 63,456,168,807.24/269,288.80 - Step 6: Final answer
x = 235,643.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.