Finding the Fourth Proportional to 306,083.60, 459,125.40 and 211,605.20
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Solution
The fourth proportional to 306,083.60, 459,125.40 and 211,605.20 is: 317,407.80
Step by Step Solution
- Step 1: Write the proportion equation
306,083.60 : 459,125.40 = 211,605.20 : x - Step 2: Convert to fraction form
306,083.60/459,125.40 = 211,605.20/x - Step 3: Cross multiply
306,083.60x = 459,125.40 × 211,605.20 - Step 4: Simplify right side
306,083.60x = 97,153,322,092.08 - Step 5: Solve for x
x = 97,153,322,092.08/306,083.60 - Step 6: Final answer
x = 317,407.80
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1.5x scale
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.