Finding the Fourth Proportional to 295,291.70, 442,937.55 and 201,979.70
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Solution
The fourth proportional to 295,291.70, 442,937.55 and 201,979.70 is: 302,969.55
Step by Step Solution
- Step 1: Write the proportion equation
295,291.70 : 442,937.55 = 201,979.70 : x - Step 2: Convert to fraction form
295,291.70/442,937.55 = 201,979.70/x - Step 3: Cross multiply
295,291.70x = 442,937.55 × 201,979.70 - Step 4: Simplify right side
295,291.70x = 89,464,393,467.74 - Step 5: Solve for x
x = 89,464,393,467.74/295,291.70 - Step 6: Final answer
x = 302,969.55
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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.