Finding the Fourth Proportional to 114,404.99, 157,884.68 and 65,988.90
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Solution
The fourth proportional to 114,404.99, 157,884.68 and 65,988.90 is: 91,068.02
Step by Step Solution
- Step 1: Write the proportion equation
114,404.99 : 157,884.68 = 65,988.90 : x - Step 2: Convert to fraction form
114,404.99/157,884.68 = 65,988.90/x - Step 3: Cross multiply
114,404.99x = 157,884.68 × 65,988.90 - Step 4: Simplify right side
114,404.99x = 10,418,636,030.11 - Step 5: Solve for x
x = 10,418,636,030.11/114,404.99 - Step 6: Final answer
x = 91,068.02
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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.