Finding the Fourth Proportional to 298,381.36, 447,465.44 and 98,664.88
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Solution
The fourth proportional to 298,381.36, 447,465.44 and 98,664.88 is: 147,962.07
Step by Step Solution
- Step 1: Write the proportion equation
298,381.36 : 447,465.44 = 98,664.88 : x - Step 2: Convert to fraction form
298,381.36/447,465.44 = 98,664.88/x - Step 3: Cross multiply
298,381.36x = 447,465.44 × 98,664.88 - Step 4: Simplify right side
298,381.36x = 44,149,123,941.75 - Step 5: Solve for x
x = 44,149,123,941.75/298,381.36 - Step 6: Final answer
x = 147,962.07
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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.