Finding the Fourth Proportional to 265,417.05, 398,123.10 and 107,607.99
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Solution
The fourth proportional to 265,417.05, 398,123.10 and 107,607.99 is: 161,410.98
Step by Step Solution
- Step 1: Write the proportion equation
265,417.05 : 398,123.10 = 107,607.99 : x - Step 2: Convert to fraction form
265,417.05/398,123.10 = 107,607.99/x - Step 3: Cross multiply
265,417.05x = 398,123.10 × 107,607.99 - Step 4: Simplify right side
265,417.05x = 42,841,226,563.57 - Step 5: Solve for x
x = 42,841,226,563.57/265,417.05 - Step 6: Final answer
x = 161,410.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.