Finding the Fourth Proportional to 118,567.68, 163,628.64 and 68,282.88
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Solution
The fourth proportional to 118,567.68, 163,628.64 and 68,282.88 is: 94,233.39
Step by Step Solution
- Step 1: Write the proportion equation
118,567.68 : 163,628.64 = 68,282.88 : x - Step 2: Convert to fraction form
118,567.68/163,628.64 = 68,282.88/x - Step 3: Cross multiply
118,567.68x = 163,628.64 × 68,282.88 - Step 4: Simplify right side
118,567.68x = 11,173,034,789.68 - Step 5: Solve for x
x = 11,173,034,789.68/118,567.68 - Step 6: Final answer
x = 94,233.39
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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.