Finding the Fourth Proportional to 292,996.48, 439,615.68 and 141,116.80
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Solution
The fourth proportional to 292,996.48, 439,615.68 and 141,116.80 is: 211,733.46
Step by Step Solution
- Step 1: Write the proportion equation
292,996.48 : 439,615.68 = 141,116.80 : x - Step 2: Convert to fraction form
292,996.48/439,615.68 = 141,116.80/x - Step 3: Cross multiply
292,996.48x = 439,615.68 × 141,116.80 - Step 4: Simplify right side
292,996.48x = 62,037,157,991.42 - Step 5: Solve for x
x = 62,037,157,991.42/292,996.48 - Step 6: Final answer
x = 211,733.46
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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.