Finding the Fourth Proportional to 195,405.80, 293,051.10 and 77,037.80
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Solution
The fourth proportional to 195,405.80, 293,051.10 and 77,037.80 is: 115,533.99
Step by Step Solution
- Step 1: Write the proportion equation
195,405.80 : 293,051.10 = 77,037.80 : x - Step 2: Convert to fraction form
195,405.80/293,051.10 = 77,037.80/x - Step 3: Cross multiply
195,405.80x = 293,051.10 × 77,037.80 - Step 4: Simplify right side
195,405.80x = 22,576,012,031.58 - Step 5: Solve for x
x = 22,576,012,031.58/195,405.80 - Step 6: Final answer
x = 115,533.99
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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.