Finding the Fourth Proportional to 407,800.36, 562,756.98 and 226,505.08
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Solution
The fourth proportional to 407,800.36, 562,756.98 and 226,505.08 is: 312,572.84
Step by Step Solution
- Step 1: Write the proportion equation
407,800.36 : 562,756.98 = 226,505.08 : x - Step 2: Convert to fraction form
407,800.36/562,756.98 = 226,505.08/x - Step 3: Cross multiply
407,800.36x = 562,756.98 × 226,505.08 - Step 4: Simplify right side
407,800.36x = 127,467,314,775.46 - Step 5: Solve for x
x = 127,467,314,775.46/407,800.36 - Step 6: Final answer
x = 312,572.84
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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.