Finding the Fourth Proportional to 77,218.80, 115,903.10 and 37,265.91
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Solution
The fourth proportional to 77,218.80, 115,903.10 and 37,265.91 is: 55,935.00
Step by Step Solution
- Step 1: Write the proportion equation
77,218.80 : 115,903.10 = 37,265.91 : x - Step 2: Convert to fraction form
77,218.80/115,903.10 = 37,265.91/x - Step 3: Cross multiply
77,218.80x = 115,903.10 × 37,265.91 - Step 4: Simplify right side
77,218.80x = 4,319,233,913.81 - Step 5: Solve for x
x = 4,319,233,913.81/77,218.80 - Step 6: Final answer
x = 55,935.00
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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.