Finding the Fourth Proportional to 295,272.10, 442,908.15 and 84,897.70
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Solution
The fourth proportional to 295,272.10, 442,908.15 and 84,897.70 is: 127,346.55
Step by Step Solution
- Step 1: Write the proportion equation
295,272.10 : 442,908.15 = 84,897.70 : x - Step 2: Convert to fraction form
295,272.10/442,908.15 = 84,897.70/x - Step 3: Cross multiply
295,272.10x = 442,908.15 × 84,897.70 - Step 4: Simplify right side
295,272.10x = 37,601,883,246.26 - Step 5: Solve for x
x = 37,601,883,246.26/295,272.10 - Step 6: Final answer
x = 127,346.55
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1.5x scale
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.