Finding the Fourth Proportional to 344,372.16, 516,562.55 and 91,651.09
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Solution
The fourth proportional to 344,372.16, 516,562.55 and 91,651.09 is: 137,477.78
Step by Step Solution
- Step 1: Write the proportion equation
344,372.16 : 516,562.55 = 91,651.09 : x - Step 2: Convert to fraction form
344,372.16/516,562.55 = 91,651.09/x - Step 3: Cross multiply
344,372.16x = 516,562.55 × 91,651.09 - Step 4: Simplify right side
344,372.16x = 47,343,519,698.40 - Step 5: Solve for x
x = 47,343,519,698.40/344,372.16 - Step 6: Final answer
x = 137,477.78
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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.