Finding the Fourth Proportional to 163,525.84, 225,497.64 and 136,658.32
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Solution
The fourth proportional to 163,525.84, 225,497.64 and 136,658.32 is: 188,448.07
Step by Step Solution
- Step 1: Write the proportion equation
163,525.84 : 225,497.64 = 136,658.32 : x - Step 2: Convert to fraction form
163,525.84/225,497.64 = 136,658.32/x - Step 3: Cross multiply
163,525.84x = 225,497.64 × 136,658.32 - Step 4: Simplify right side
163,525.84x = 30,816,128,646.36 - Step 5: Solve for x
x = 30,816,128,646.36/163,525.84 - Step 6: Final answer
x = 188,448.07
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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.