Finding the Fourth Proportional to 399,339.68, 599,152.14 and 171,539.60
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Solution
The fourth proportional to 399,339.68, 599,152.14 and 171,539.60 is: 257,370.66
Step by Step Solution
- Step 1: Write the proportion equation
399,339.68 : 599,152.14 = 171,539.60 : x - Step 2: Convert to fraction form
399,339.68/599,152.14 = 171,539.60/x - Step 3: Cross multiply
399,339.68x = 599,152.14 × 171,539.60 - Step 4: Simplify right side
399,339.68x = 102,778,318,434.74 - Step 5: Solve for x
x = 102,778,318,434.74/399,339.68 - Step 6: Final answer
x = 257,370.66
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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.