Finding the Fourth Proportional to 114,294.21, 157,803.08 and 71,339.14
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Solution
The fourth proportional to 114,294.21, 157,803.08 and 71,339.14 is: 98,496.12
Step by Step Solution
- Step 1: Write the proportion equation
114,294.21 : 157,803.08 = 71,339.14 : x - Step 2: Convert to fraction form
114,294.21/157,803.08 = 71,339.14/x - Step 3: Cross multiply
114,294.21x = 157,803.08 × 71,339.14 - Step 4: Simplify right side
114,294.21x = 11,257,535,370.75 - Step 5: Solve for x
x = 11,257,535,370.75/114,294.21 - Step 6: Final answer
x = 98,496.12
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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.