Finding the Fourth Proportional to 417,695.76, 576,420.68 and 226,709.21
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Solution
The fourth proportional to 417,695.76, 576,420.68 and 226,709.21 is: 312,859.00
Step by Step Solution
- Step 1: Write the proportion equation
417,695.76 : 576,420.68 = 226,709.21 : x - Step 2: Convert to fraction form
417,695.76/576,420.68 = 226,709.21/x - Step 3: Cross multiply
417,695.76x = 576,420.68 × 226,709.21 - Step 4: Simplify right side
417,695.76x = 130,679,878,998.29 - Step 5: Solve for x
x = 130,679,878,998.29/417,695.76 - Step 6: Final answer
x = 312,859.00
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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.