Finding the Fourth Proportional to 316,808.66, 475,163.30 and 103,575.08
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Solution
The fourth proportional to 316,808.66, 475,163.30 and 103,575.08 is: 155,346.37
Step by Step Solution
- Step 1: Write the proportion equation
316,808.66 : 475,163.30 = 103,575.08 : x - Step 2: Convert to fraction form
316,808.66/475,163.30 = 103,575.08/x - Step 3: Cross multiply
316,808.66x = 475,163.30 × 103,575.08 - Step 4: Simplify right side
316,808.66x = 49,215,076,810.56 - Step 5: Solve for x
x = 49,215,076,810.56/316,808.66 - Step 6: Final answer
x = 155,346.37
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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.