Finding the Fourth Proportional to 407,405.19, 562,202.49 and 226,124.76
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Solution
The fourth proportional to 407,405.19, 562,202.49 and 226,124.76 is: 312,042.92
Step by Step Solution
- Step 1: Write the proportion equation
407,405.19 : 562,202.49 = 226,124.76 : x - Step 2: Convert to fraction form
407,405.19/562,202.49 = 226,124.76/x - Step 3: Cross multiply
407,405.19x = 562,202.49 × 226,124.76 - Step 4: Simplify right side
407,405.19x = 127,127,903,122.65 - Step 5: Solve for x
x = 127,127,903,122.65/407,405.19 - Step 6: Final answer
x = 312,042.92
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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.