Finding the Fourth Proportional to 369,355.14, 509,590.44 and 225,965.70
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Solution
The fourth proportional to 369,355.14, 509,590.44 and 225,965.70 is: 311,759.46
Step by Step Solution
- Step 1: Write the proportion equation
369,355.14 : 509,590.44 = 225,965.70 : x - Step 2: Convert to fraction form
369,355.14/509,590.44 = 225,965.70/x - Step 3: Cross multiply
369,355.14x = 509,590.44 × 225,965.70 - Step 4: Simplify right side
369,355.14x = 115,149,960,487.91 - Step 5: Solve for x
x = 115,149,960,487.91/369,355.14 - Step 6: Final answer
x = 311,759.46
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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.