Finding the Fourth Proportional to 180,214.40, 248,682.78 and 99,642.92
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Solution
The fourth proportional to 180,214.40, 248,682.78 and 99,642.92 is: 137,499.99
Step by Step Solution
- Step 1: Write the proportion equation
180,214.40 : 248,682.78 = 99,642.92 : x - Step 2: Convert to fraction form
180,214.40/248,682.78 = 99,642.92/x - Step 3: Cross multiply
180,214.40x = 248,682.78 × 99,642.92 - Step 4: Simplify right side
180,214.40x = 24,779,478,352.92 - Step 5: Solve for x
x = 24,779,478,352.92/180,214.40 - Step 6: Final answer
x = 137,499.99
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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.