Finding the Fourth Proportional to 318,653.19, 477,815.12 and 93,985.02
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Solution
The fourth proportional to 318,653.19, 477,815.12 and 93,985.02 is: 140,928.96
Step by Step Solution
- Step 1: Write the proportion equation
318,653.19 : 477,815.12 = 93,985.02 : x - Step 2: Convert to fraction form
318,653.19/477,815.12 = 93,985.02/x - Step 3: Cross multiply
318,653.19x = 477,815.12 × 93,985.02 - Step 4: Simplify right side
318,653.19x = 44,907,463,139.58 - Step 5: Solve for x
x = 44,907,463,139.58/318,653.19 - Step 6: Final answer
x = 140,928.96
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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.