Finding the Fourth Proportional to 344,603.16, 516,863.70 and 91,902.60
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Solution
The fourth proportional to 344,603.16, 516,863.70 and 91,902.60 is: 137,842.95
Step by Step Solution
- Step 1: Write the proportion equation
344,603.16 : 516,863.70 = 91,902.60 : x - Step 2: Convert to fraction form
344,603.16/516,863.70 = 91,902.60/x - Step 3: Cross multiply
344,603.16x = 516,863.70 × 91,902.60 - Step 4: Simplify right side
344,603.16x = 47,501,117,875.62 - Step 5: Solve for x
x = 47,501,117,875.62/344,603.16 - Step 6: Final answer
x = 137,842.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.