Finding the Fourth Proportional to 314,599.08, 433,769.40 and 257,025.09
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Solution
The fourth proportional to 314,599.08, 433,769.40 and 257,025.09 is: 354,386.35
Step by Step Solution
- Step 1: Write the proportion equation
314,599.08 : 433,769.40 = 257,025.09 : x - Step 2: Convert to fraction form
314,599.08/433,769.40 = 257,025.09/x - Step 3: Cross multiply
314,599.08x = 433,769.40 × 257,025.09 - Step 4: Simplify right side
314,599.08x = 111,489,619,074.25 - Step 5: Solve for x
x = 111,489,619,074.25/314,599.08 - Step 6: Final answer
x = 354,386.35
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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.