Finding the Fourth Proportional to 252,384.95, 378,495.52 and 83,860.03
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Solution
The fourth proportional to 252,384.95, 378,495.52 and 83,860.03 is: 125,762.82
Step by Step Solution
- Step 1: Write the proportion equation
252,384.95 : 378,495.52 = 83,860.03 : x - Step 2: Convert to fraction form
252,384.95/378,495.52 = 83,860.03/x - Step 3: Cross multiply
252,384.95x = 378,495.52 × 83,860.03 - Step 4: Simplify right side
252,384.95x = 31,740,643,979.24 - Step 5: Solve for x
x = 31,740,643,979.24/252,384.95 - Step 6: Final answer
x = 125,762.82
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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.