Finding the Fourth Proportional to 154,962.99, 213,606.32 and 101,221.11
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Solution
The fourth proportional to 154,962.99, 213,606.32 and 101,221.11 is: 139,526.66
Step by Step Solution
- Step 1: Write the proportion equation
154,962.99 : 213,606.32 = 101,221.11 : x - Step 2: Convert to fraction form
154,962.99/213,606.32 = 101,221.11/x - Step 3: Cross multiply
154,962.99x = 213,606.32 × 101,221.11 - Step 4: Simplify right side
154,962.99x = 21,621,468,307.31 - Step 5: Solve for x
x = 21,621,468,307.31/154,962.99 - Step 6: Final answer
x = 139,526.66
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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.