Finding the Fourth Proportional to 339,576.04, 509,364.06 and 129,164.68
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Solution
The fourth proportional to 339,576.04, 509,364.06 and 129,164.68 is: 193,747.02
Step by Step Solution
- Step 1: Write the proportion equation
339,576.04 : 509,364.06 = 129,164.68 : x - Step 2: Convert to fraction form
339,576.04/509,364.06 = 129,164.68/x - Step 3: Cross multiply
339,576.04x = 509,364.06 × 129,164.68 - Step 4: Simplify right side
339,576.04x = 65,791,845,813.40 - Step 5: Solve for x
x = 65,791,845,813.40/339,576.04 - Step 6: Final answer
x = 193,747.02
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1.5x scale
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.