Finding the Fourth Proportional to 316,757.80, 474,988.22 and 183,675.88
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Solution
The fourth proportional to 316,757.80, 474,988.22 and 183,675.88 is: 275,427.72
Step by Step Solution
- Step 1: Write the proportion equation
316,757.80 : 474,988.22 = 183,675.88 : x - Step 2: Convert to fraction form
316,757.80/474,988.22 = 183,675.88/x - Step 3: Cross multiply
316,757.80x = 474,988.22 × 183,675.88 - Step 4: Simplify right side
316,757.80x = 87,243,879,298.13 - Step 5: Solve for x
x = 87,243,879,298.13/316,757.80 - Step 6: Final answer
x = 275,427.72
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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.