Finding the Fourth Proportional to 199,946.68, 275,918.04 and 118,327.84
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Solution
The fourth proportional to 199,946.68, 275,918.04 and 118,327.84 is: 163,287.46
Step by Step Solution
- Step 1: Write the proportion equation
199,946.68 : 275,918.04 = 118,327.84 : x - Step 2: Convert to fraction form
199,946.68/275,918.04 = 118,327.84/x - Step 3: Cross multiply
199,946.68x = 275,918.04 × 118,327.84 - Step 4: Simplify right side
199,946.68x = 32,648,785,690.23 - Step 5: Solve for x
x = 32,648,785,690.23/199,946.68 - Step 6: Final answer
x = 163,287.46
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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.