Finding the Fourth Proportional to 108,368.94, 149,543.12 and 60,613.06
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Solution
The fourth proportional to 108,368.94, 149,543.12 and 60,613.06 is: 83,642.65
Step by Step Solution
- Step 1: Write the proportion equation
108,368.94 : 149,543.12 = 60,613.06 : x - Step 2: Convert to fraction form
108,368.94/149,543.12 = 60,613.06/x - Step 3: Cross multiply
108,368.94x = 149,543.12 × 60,613.06 - Step 4: Simplify right side
108,368.94x = 9,064,265,428.22 - Step 5: Solve for x
x = 9,064,265,428.22/108,368.94 - Step 6: Final answer
x = 83,642.65
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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.