Finding the Fourth Proportional to 206,836.64, 310,178.34 and 73,681.52
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Solution
The fourth proportional to 206,836.64, 310,178.34 and 73,681.52 is: 110,494.99
Step by Step Solution
- Step 1: Write the proportion equation
206,836.64 : 310,178.34 = 73,681.52 : x - Step 2: Convert to fraction form
206,836.64/310,178.34 = 73,681.52/x - Step 3: Cross multiply
206,836.64x = 310,178.34 × 73,681.52 - Step 4: Simplify right side
206,836.64x = 22,854,411,562.28 - Step 5: Solve for x
x = 22,854,411,562.28/206,836.64 - Step 6: Final answer
x = 110,494.99
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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.