Finding the Fourth Proportional to 102,318.40, 141,206.08 and 62,035.84
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Solution
The fourth proportional to 102,318.40, 141,206.08 and 62,035.84 is: 85,613.51
Step by Step Solution
- Step 1: Write the proportion equation
102,318.40 : 141,206.08 = 62,035.84 : x - Step 2: Convert to fraction form
102,318.40/141,206.08 = 62,035.84/x - Step 3: Cross multiply
102,318.40x = 141,206.08 × 62,035.84 - Step 4: Simplify right side
102,318.40x = 8,759,837,785.91 - Step 5: Solve for x
x = 8,759,837,785.91/102,318.40 - Step 6: Final answer
x = 85,613.51
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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.