Finding the Fourth Proportional to 318,691.24, 477,925.14 and 93,991.96
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Solution
The fourth proportional to 318,691.24, 477,925.14 and 93,991.96 is: 140,954.99
Step by Step Solution
- Step 1: Write the proportion equation
318,691.24 : 477,925.14 = 93,991.96 : x - Step 2: Convert to fraction form
318,691.24/477,925.14 = 93,991.96/x - Step 3: Cross multiply
318,691.24x = 477,925.14 × 93,991.96 - Step 4: Simplify right side
318,691.24x = 44,921,120,641.87 - Step 5: Solve for x
x = 44,921,120,641.87/318,691.24 - Step 6: Final answer
x = 140,954.99
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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.