Finding the Fourth Proportional to 149,033.49, 205,562.12 and 101,203.80
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Solution
The fourth proportional to 149,033.49, 205,562.12 and 101,203.80 is: 139,590.55
Step by Step Solution
- Step 1: Write the proportion equation
149,033.49 : 205,562.12 = 101,203.80 : x - Step 2: Convert to fraction form
149,033.49/205,562.12 = 101,203.80/x - Step 3: Cross multiply
149,033.49x = 205,562.12 × 101,203.80 - Step 4: Simplify right side
149,033.49x = 20,803,667,174.04 - Step 5: Solve for x
x = 20,803,667,174.04/149,033.49 - Step 6: Final answer
x = 139,590.55
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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.