Finding the Fourth Proportional to 299,544.95, 413,356.64 and 163,552.70
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Solution
The fourth proportional to 299,544.95, 413,356.64 and 163,552.70 is: 225,694.32
Step by Step Solution
- Step 1: Write the proportion equation
299,544.95 : 413,356.64 = 163,552.70 : x - Step 2: Convert to fraction form
299,544.95/413,356.64 = 163,552.70/x - Step 3: Cross multiply
299,544.95x = 413,356.64 × 163,552.70 - Step 4: Simplify right side
299,544.95x = 67,605,594,750.56 - Step 5: Solve for x
x = 67,605,594,750.56/299,544.95 - Step 6: Final answer
x = 225,694.32
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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.