Finding the Fourth Proportional to 277,030.79, 415,485.84 and 74,621.92
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Solution
The fourth proportional to 277,030.79, 415,485.84 and 74,621.92 is: 111,916.62
Step by Step Solution
- Step 1: Write the proportion equation
277,030.79 : 415,485.84 = 74,621.92 : x - Step 2: Convert to fraction form
277,030.79/415,485.84 = 74,621.92/x - Step 3: Cross multiply
277,030.79x = 415,485.84 × 74,621.92 - Step 4: Simplify right side
277,030.79x = 31,004,349,036.18 - Step 5: Solve for x
x = 31,004,349,036.18/277,030.79 - Step 6: Final answer
x = 111,916.62
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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.