Finding the Fourth Proportional to 318,235.23, 477,278.93 and 93,535.56
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Solution
The fourth proportional to 318,235.23, 477,278.93 and 93,535.56 is: 140,281.62
Step by Step Solution
- Step 1: Write the proportion equation
318,235.23 : 477,278.93 = 93,535.56 : x - Step 2: Convert to fraction form
318,235.23/477,278.93 = 93,535.56/x - Step 3: Cross multiply
318,235.23x = 477,278.93 × 93,535.56 - Step 4: Simplify right side
318,235.23x = 44,642,552,227.59 - Step 5: Solve for x
x = 44,642,552,227.59/318,235.23 - Step 6: Final answer
x = 140,281.62
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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.