Finding the Fourth Proportional to 150,273.36, 207,444.24 and 99,316.80
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Solution
The fourth proportional to 150,273.36, 207,444.24 and 99,316.80 is: 137,101.47
Step by Step Solution
- Step 1: Write the proportion equation
150,273.36 : 207,444.24 = 99,316.80 : x - Step 2: Convert to fraction form
150,273.36/207,444.24 = 99,316.80/x - Step 3: Cross multiply
150,273.36x = 207,444.24 × 99,316.80 - Step 4: Simplify right side
150,273.36x = 20,602,698,095.23 - Step 5: Solve for x
x = 20,602,698,095.23/150,273.36 - Step 6: Final answer
x = 137,101.47
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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.