Finding the Fourth Proportional to 140,551.99, 210,897.24 and 65,677.31
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Solution
The fourth proportional to 140,551.99, 210,897.24 and 65,677.31 is: 98,548.33
Step by Step Solution
- Step 1: Write the proportion equation
140,551.99 : 210,897.24 = 65,677.31 : x - Step 2: Convert to fraction form
140,551.99/210,897.24 = 65,677.31/x - Step 3: Cross multiply
140,551.99x = 210,897.24 × 65,677.31 - Step 4: Simplify right side
140,551.99x = 13,851,163,409.62 - Step 5: Solve for x
x = 13,851,163,409.62/140,551.99 - Step 6: Final answer
x = 98,548.33
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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.