Finding the Fourth Proportional to 150,621.63, 207,850.37 and 86,088.93
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Solution
The fourth proportional to 150,621.63, 207,850.37 and 86,088.93 is: 118,798.45
Step by Step Solution
- Step 1: Write the proportion equation
150,621.63 : 207,850.37 = 86,088.93 : x - Step 2: Convert to fraction form
150,621.63/207,850.37 = 86,088.93/x - Step 3: Cross multiply
150,621.63x = 207,850.37 × 86,088.93 - Step 4: Simplify right side
150,621.63x = 17,893,615,522.96 - Step 5: Solve for x
x = 17,893,615,522.96/150,621.63 - Step 6: Final answer
x = 118,798.45
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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.