Finding the Fourth Proportional to 418,331.76, 577,302.33 and 227,345.19
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Solution
The fourth proportional to 418,331.76, 577,302.33 and 227,345.19 is: 313,738.81
Step by Step Solution
- Step 1: Write the proportion equation
418,331.76 : 577,302.33 = 227,345.19 : x - Step 2: Convert to fraction form
418,331.76/577,302.33 = 227,345.19/x - Step 3: Cross multiply
418,331.76x = 577,302.33 × 227,345.19 - Step 4: Simplify right side
418,331.76x = 131,246,907,901.29 - Step 5: Solve for x
x = 131,246,907,901.29/418,331.76 - Step 6: Final answer
x = 313,738.81
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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.