Finding the Fourth Proportional to 118,567.93, 163,628.99 and 68,283.13
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Solution
The fourth proportional to 118,567.93, 163,628.99 and 68,283.13 is: 94,233.74
Step by Step Solution
- Step 1: Write the proportion equation
118,567.93 : 163,628.99 = 68,283.13 : x - Step 2: Convert to fraction form
118,567.93/163,628.99 = 68,283.13/x - Step 3: Cross multiply
118,567.93x = 163,628.99 × 68,283.13 - Step 4: Simplify right side
118,567.93x = 11,173,099,595.94 - Step 5: Solve for x
x = 11,173,099,595.94/118,567.93 - Step 6: Final answer
x = 94,233.74
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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.