Finding the Fourth Proportional to 306,405.14, 422,851.10 and 185,477.99
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Solution
The fourth proportional to 306,405.14, 422,851.10 and 185,477.99 is: 255,966.89
Step by Step Solution
- Step 1: Write the proportion equation
306,405.14 : 422,851.10 = 185,477.99 : x - Step 2: Convert to fraction form
306,405.14/422,851.10 = 185,477.99/x - Step 3: Cross multiply
306,405.14x = 422,851.10 × 185,477.99 - Step 4: Simplify right side
306,405.14x = 78,429,569,055.64 - Step 5: Solve for x
x = 78,429,569,055.64/306,405.14 - Step 6: Final answer
x = 255,966.89
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.