Finding the Fourth Proportional to 150,387.47, 207,531.36 and 84,970.19
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Solution
The fourth proportional to 150,387.47, 207,531.36 and 84,970.19 is: 117,256.97
Step by Step Solution
- Step 1: Write the proportion equation
150,387.47 : 207,531.36 = 84,970.19 : x - Step 2: Convert to fraction form
150,387.47/207,531.36 = 84,970.19/x - Step 3: Cross multiply
150,387.47x = 207,531.36 × 84,970.19 - Step 4: Simplify right side
150,387.47x = 17,633,979,090.16 - Step 5: Solve for x
x = 17,633,979,090.16/150,387.47 - Step 6: Final answer
x = 117,256.97
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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.