Finding the Fourth Proportional to 344,263.19, 516,196.13 and 133,655.09
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Solution
The fourth proportional to 344,263.19, 516,196.13 and 133,655.09 is: 200,405.50
Step by Step Solution
- Step 1: Write the proportion equation
344,263.19 : 516,196.13 = 133,655.09 : x - Step 2: Convert to fraction form
344,263.19/516,196.13 = 133,655.09/x - Step 3: Cross multiply
344,263.19x = 516,196.13 × 133,655.09 - Step 4: Simplify right side
344,263.19x = 68,992,236,963.55 - Step 5: Solve for x
x = 68,992,236,963.55/344,263.19 - Step 6: Final answer
x = 200,405.50
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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.