Finding the Fourth Proportional to 547,921.49, 756,066.17 and 302,873.15
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Solution
The fourth proportional to 547,921.49, 756,066.17 and 302,873.15 is: 417,928.75
Step by Step Solution
- Step 1: Write the proportion equation
547,921.49 : 756,066.17 = 302,873.15 : x - Step 2: Convert to fraction form
547,921.49/756,066.17 = 302,873.15/x - Step 3: Cross multiply
547,921.49x = 756,066.17 × 302,873.15 - Step 4: Simplify right side
547,921.49x = 228,992,146,581.31 - Step 5: Solve for x
x = 228,992,146,581.31/547,921.49 - Step 6: Final answer
x = 417,928.75
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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.