Finding the Fourth Proportional to 317,070.81, 475,071.26 and 156,933.18
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Solution
The fourth proportional to 317,070.81, 475,071.26 and 156,933.18 is: 235,134.99
Step by Step Solution
- Step 1: Write the proportion equation
317,070.81 : 475,071.26 = 156,933.18 : x - Step 2: Convert to fraction form
317,070.81/475,071.26 = 156,933.18/x - Step 3: Cross multiply
317,070.81x = 475,071.26 × 156,933.18 - Step 4: Simplify right side
317,070.81x = 74,554,442,773.74 - Step 5: Solve for x
x = 74,554,442,773.74/317,070.81 - Step 6: Final answer
x = 235,134.99
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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.