Finding the Fourth Proportional to 149,036.99, 205,566.94 and 101,207.30
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Solution
The fourth proportional to 149,036.99, 205,566.94 and 101,207.30 is: 139,595.38
Step by Step Solution
- Step 1: Write the proportion equation
149,036.99 : 205,566.94 = 101,207.30 : x - Step 2: Convert to fraction form
149,036.99/205,566.94 = 101,207.30/x - Step 3: Cross multiply
149,036.99x = 205,566.94 × 101,207.30 - Step 4: Simplify right side
149,036.99x = 20,804,874,966.66 - Step 5: Solve for x
x = 20,804,874,966.66/149,036.99 - Step 6: Final answer
x = 139,595.38
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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.