Finding the Fourth Proportional to 295,319.40, 442,979.10 and 293,569.80
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Solution
The fourth proportional to 295,319.40, 442,979.10 and 293,569.80 is: 440,354.70
Step by Step Solution
- Step 1: Write the proportion equation
295,319.40 : 442,979.10 = 293,569.80 : x - Step 2: Convert to fraction form
295,319.40/442,979.10 = 293,569.80/x - Step 3: Cross multiply
295,319.40x = 442,979.10 × 293,569.80 - Step 4: Simplify right side
295,319.40x = 130,045,285,791.18 - Step 5: Solve for x
x = 130,045,285,791.18/295,319.40 - Step 6: Final answer
x = 440,354.70
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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.