Finding the Fourth Proportional to 295,284.10, 442,926.15 and 84,909.70
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Solution
The fourth proportional to 295,284.10, 442,926.15 and 84,909.70 is: 127,364.55
Step by Step Solution
- Step 1: Write the proportion equation
295,284.10 : 442,926.15 = 84,909.70 : x - Step 2: Convert to fraction form
295,284.10/442,926.15 = 84,909.70/x - Step 3: Cross multiply
295,284.10x = 442,926.15 × 84,909.70 - Step 4: Simplify right side
295,284.10x = 37,608,726,518.66 - Step 5: Solve for x
x = 37,608,726,518.66/295,284.10 - Step 6: Final answer
x = 127,364.55
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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.