Finding the Fourth Proportional to 407,666.40, 562,584.74 and 226,389.62
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Solution
The fourth proportional to 407,666.40, 562,584.74 and 226,389.62 is: 312,420.50
Step by Step Solution
- Step 1: Write the proportion equation
407,666.40 : 562,584.74 = 226,389.62 : x - Step 2: Convert to fraction form
407,666.40/562,584.74 = 226,389.62/x - Step 3: Cross multiply
407,666.40x = 562,584.74 × 226,389.62 - Step 4: Simplify right side
407,666.40x = 127,363,341,561.53 - Step 5: Solve for x
x = 127,363,341,561.53/407,666.40 - Step 6: Final answer
x = 312,420.50
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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.