Finding the Fourth Proportional to 135,263.58, 186,651.99 and 74,833.26
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Solution
The fourth proportional to 135,263.58, 186,651.99 and 74,833.26 is: 103,263.40
Step by Step Solution
- Step 1: Write the proportion equation
135,263.58 : 186,651.99 = 74,833.26 : x - Step 2: Convert to fraction form
135,263.58/186,651.99 = 74,833.26/x - Step 3: Cross multiply
135,263.58x = 186,651.99 × 74,833.26 - Step 4: Simplify right side
135,263.58x = 13,967,776,897.19 - Step 5: Solve for x
x = 13,967,776,897.19/135,263.58 - Step 6: Final answer
x = 103,263.40
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1.5x scale
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.