Finding the Fourth Proportional to 424,590.08, 585,915.84 and 233,591.36
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Solution
The fourth proportional to 424,590.08, 585,915.84 and 233,591.36 is: 322,345.92
Step by Step Solution
- Step 1: Write the proportion equation
424,590.08 : 585,915.84 = 233,591.36 : x - Step 2: Convert to fraction form
424,590.08/585,915.84 = 233,591.36/x - Step 3: Cross multiply
424,590.08x = 585,915.84 × 233,591.36 - Step 4: Simplify right side
424,590.08x = 136,864,877,911.14 - Step 5: Solve for x
x = 136,864,877,911.14/424,590.08 - Step 6: Final answer
x = 322,345.92
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.