Finding the Fourth Proportional to 295,135.60, 442,631.40 and 84,751.60
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Solution
The fourth proportional to 295,135.60, 442,631.40 and 84,751.60 is: 127,106.72
Step by Step Solution
- Step 1: Write the proportion equation
295,135.60 : 442,631.40 = 84,751.60 : x - Step 2: Convert to fraction form
295,135.60/442,631.40 = 84,751.60/x - Step 3: Cross multiply
295,135.60x = 442,631.40 × 84,751.60 - Step 4: Simplify right side
295,135.60x = 37,513,719,360.24 - Step 5: Solve for x
x = 37,513,719,360.24/295,135.60 - Step 6: Final answer
x = 127,106.72
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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.