Finding the Fourth Proportional to 272,944.08, 409,646.16 and 115,285.68
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Solution
The fourth proportional to 272,944.08, 409,646.16 and 115,285.68 is: 173,025.68
Step by Step Solution
- Step 1: Write the proportion equation
272,944.08 : 409,646.16 = 115,285.68 : x - Step 2: Convert to fraction form
272,944.08/409,646.16 = 115,285.68/x - Step 3: Cross multiply
272,944.08x = 409,646.16 × 115,285.68 - Step 4: Simplify right side
272,944.08x = 47,226,336,114.99 - Step 5: Solve for x
x = 47,226,336,114.99/272,944.08 - Step 6: Final answer
x = 173,025.68
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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.