Finding the Fourth Proportional to 318,574.08, 477,943.86 and 118,895.97
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Solution
The fourth proportional to 318,574.08, 477,943.86 and 118,895.97 is: 178,374.83
Step by Step Solution
- Step 1: Write the proportion equation
318,574.08 : 477,943.86 = 118,895.97 : x - Step 2: Convert to fraction form
318,574.08/477,943.86 = 118,895.97/x - Step 3: Cross multiply
318,574.08x = 477,943.86 × 118,895.97 - Step 4: Simplify right side
318,574.08x = 56,825,598,840.24 - Step 5: Solve for x
x = 56,825,598,840.24/318,574.08 - Step 6: Final answer
x = 178,374.83
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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.