Finding the Fourth Proportional to 150,531.18, 207,577.95 and 105,192.54
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Solution
The fourth proportional to 150,531.18, 207,577.95 and 105,192.54 is: 145,057.34
Step by Step Solution
- Step 1: Write the proportion equation
150,531.18 : 207,577.95 = 105,192.54 : x - Step 2: Convert to fraction form
150,531.18/207,577.95 = 105,192.54/x - Step 3: Cross multiply
150,531.18x = 207,577.95 × 105,192.54 - Step 4: Simplify right side
150,531.18x = 21,835,651,808.49 - Step 5: Solve for x
x = 21,835,651,808.49/150,531.18 - Step 6: Final answer
x = 145,057.34
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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.