Finding the Fourth Proportional to 178,560.80, 246,416.48 and 97,986.88
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Solution
The fourth proportional to 178,560.80, 246,416.48 and 97,986.88 is: 135,223.31
Step by Step Solution
- Step 1: Write the proportion equation
178,560.80 : 246,416.48 = 97,986.88 : x - Step 2: Convert to fraction form
178,560.80/246,416.48 = 97,986.88/x - Step 3: Cross multiply
178,560.80x = 246,416.48 × 97,986.88 - Step 4: Simplify right side
178,560.80x = 24,145,582,055.78 - Step 5: Solve for x
x = 24,145,582,055.78/178,560.80 - Step 6: Final answer
x = 135,223.31
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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.