Finding the Fourth Proportional to 318,368.96, 477,450.48 and 105,088.96
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Solution
The fourth proportional to 318,368.96, 477,450.48 and 105,088.96 is: 157,599.45
Step by Step Solution
- Step 1: Write the proportion equation
318,368.96 : 477,450.48 = 105,088.96 : x - Step 2: Convert to fraction form
318,368.96/477,450.48 = 105,088.96/x - Step 3: Cross multiply
318,368.96x = 477,450.48 × 105,088.96 - Step 4: Simplify right side
318,368.96x = 50,174,774,394.70 - Step 5: Solve for x
x = 50,174,774,394.70/318,368.96 - Step 6: Final answer
x = 157,599.45
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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.