Finding the Fourth Proportional to 319,506.36, 479,356.74 and 151,155.96
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Solution
The fourth proportional to 319,506.36, 479,356.74 and 151,155.96 is: 226,779.92
Step by Step Solution
- Step 1: Write the proportion equation
319,506.36 : 479,356.74 = 151,155.96 : x - Step 2: Convert to fraction form
319,506.36/479,356.74 = 151,155.96/x - Step 3: Cross multiply
319,506.36x = 479,356.74 × 151,155.96 - Step 4: Simplify right side
319,506.36x = 72,457,628,217.17 - Step 5: Solve for x
x = 72,457,628,217.17/319,506.36 - Step 6: Final answer
x = 226,779.92
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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.