Finding the Fourth Proportional to 203,447.77, 280,746.68 and 112,798.44
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Solution
The fourth proportional to 203,447.77, 280,746.68 and 112,798.44 is: 155,655.61
Step by Step Solution
- Step 1: Write the proportion equation
203,447.77 : 280,746.68 = 112,798.44 : x - Step 2: Convert to fraction form
203,447.77/280,746.68 = 112,798.44/x - Step 3: Cross multiply
203,447.77x = 280,746.68 × 112,798.44 - Step 4: Simplify right side
203,447.77x = 31,667,786,975.19 - Step 5: Solve for x
x = 31,667,786,975.19/203,447.77 - Step 6: Final answer
x = 155,655.61
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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.