Finding the Fourth Proportional to 474,690.09, 655,073.12 and 256,898.96
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Solution
The fourth proportional to 474,690.09, 655,073.12 and 256,898.96 is: 354,520.99
Step by Step Solution
- Step 1: Write the proportion equation
474,690.09 : 655,073.12 = 256,898.96 : x - Step 2: Convert to fraction form
474,690.09/655,073.12 = 256,898.96/x - Step 3: Cross multiply
474,690.09x = 655,073.12 × 256,898.96 - Step 4: Simplify right side
474,690.09x = 168,287,602,352.83 - Step 5: Solve for x
x = 168,287,602,352.83/474,690.09 - Step 6: Final answer
x = 354,520.99
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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.