Finding the Fourth Proportional to 199,580.84, 275,421.51 and 136,029.63
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Solution
The fourth proportional to 199,580.84, 275,421.51 and 136,029.63 is: 187,720.86
Step by Step Solution
- Step 1: Write the proportion equation
199,580.84 : 275,421.51 = 136,029.63 : x - Step 2: Convert to fraction form
199,580.84/275,421.51 = 136,029.63/x - Step 3: Cross multiply
199,580.84x = 275,421.51 × 136,029.63 - Step 4: Simplify right side
199,580.84x = 37,465,486,099.34 - Step 5: Solve for x
x = 37,465,486,099.34/199,580.84 - Step 6: Final answer
x = 187,720.86
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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.