Finding the Fourth Proportional to 283,373.98, 390,390.92 and 197,184.74
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Solution
The fourth proportional to 283,373.98, 390,390.92 and 197,184.74 is: 271,652.07
Step by Step Solution
- Step 1: Write the proportion equation
283,373.98 : 390,390.92 = 197,184.74 : x - Step 2: Convert to fraction form
283,373.98/390,390.92 = 197,184.74/x - Step 3: Cross multiply
283,373.98x = 390,390.92 × 197,184.74 - Step 4: Simplify right side
283,373.98x = 76,979,129,860.13 - Step 5: Solve for x
x = 76,979,129,860.13/283,373.98 - Step 6: Final answer
x = 271,652.07
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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.