Finding the Fourth Proportional to 157,485.20, 236,227.80 and 154,860.80
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Solution
The fourth proportional to 157,485.20, 236,227.80 and 154,860.80 is: 232,291.20
Step by Step Solution
- Step 1: Write the proportion equation
157,485.20 : 236,227.80 = 154,860.80 : x - Step 2: Convert to fraction form
157,485.20/236,227.80 = 154,860.80/x - Step 3: Cross multiply
157,485.20x = 236,227.80 × 154,860.80 - Step 4: Simplify right side
157,485.20x = 36,582,426,090.24 - Step 5: Solve for x
x = 36,582,426,090.24/157,485.20 - Step 6: Final answer
x = 232,291.20
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.