Finding the Fourth Proportional to 346,636.26, 519,851.12 and 146,953.44
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Solution
The fourth proportional to 346,636.26, 519,851.12 and 146,953.44 is: 220,386.38
Step by Step Solution
- Step 1: Write the proportion equation
346,636.26 : 519,851.12 = 146,953.44 : x - Step 2: Convert to fraction form
346,636.26/519,851.12 = 146,953.44/x - Step 3: Cross multiply
346,636.26x = 519,851.12 × 146,953.44 - Step 4: Simplify right side
346,636.26x = 76,393,909,637.09 - Step 5: Solve for x
x = 76,393,909,637.09/346,636.26 - Step 6: Final answer
x = 220,386.38
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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.