Finding the Fourth Proportional to 299,014.46, 412,636.95 and 163,048.07
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Solution
The fourth proportional to 299,014.46, 412,636.95 and 163,048.07 is: 225,004.70
Step by Step Solution
- Step 1: Write the proportion equation
299,014.46 : 412,636.95 = 163,048.07 : x - Step 2: Convert to fraction form
299,014.46/412,636.95 = 163,048.07/x - Step 3: Cross multiply
299,014.46x = 412,636.95 × 163,048.07 - Step 4: Simplify right side
299,014.46x = 67,279,658,308.19 - Step 5: Solve for x
x = 67,279,658,308.19/299,014.46 - Step 6: Final answer
x = 225,004.70
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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.