Finding the Fourth Proportional to 611,109.68, 843,370.76 and 339,177.59
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Solution
The fourth proportional to 611,109.68, 843,370.76 and 339,177.59 is: 468,086.94
Step by Step Solution
- Step 1: Write the proportion equation
611,109.68 : 843,370.76 = 339,177.59 : x - Step 2: Convert to fraction form
611,109.68/843,370.76 = 339,177.59/x - Step 3: Cross multiply
611,109.68x = 843,370.76 × 339,177.59 - Step 4: Simplify right side
611,109.68x = 286,052,455,940.53 - Step 5: Solve for x
x = 286,052,455,940.53/611,109.68 - Step 6: Final answer
x = 468,086.94
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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.