Finding the Fourth Proportional to 474,245.68, 654,449.84 and 259,385.12
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Solution
The fourth proportional to 474,245.68, 654,449.84 and 259,385.12 is: 357,946.43
Step by Step Solution
- Step 1: Write the proportion equation
474,245.68 : 654,449.84 = 259,385.12 : x - Step 2: Convert to fraction form
474,245.68/654,449.84 = 259,385.12/x - Step 3: Cross multiply
474,245.68x = 654,449.84 × 259,385.12 - Step 4: Simplify right side
474,245.68x = 169,754,550,282.38 - Step 5: Solve for x
x = 169,754,550,282.38/474,245.68 - Step 6: Final answer
x = 357,946.43
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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.