Finding the Fourth Proportional to 282,597.68, 389,595.08 and 225,430.94
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Solution
The fourth proportional to 282,597.68, 389,595.08 and 225,430.94 is: 310,783.82
Step by Step Solution
- Step 1: Write the proportion equation
282,597.68 : 389,595.08 = 225,430.94 : x - Step 2: Convert to fraction form
282,597.68/389,595.08 = 225,430.94/x - Step 3: Cross multiply
282,597.68x = 389,595.08 × 225,430.94 - Step 4: Simplify right side
282,597.68x = 87,826,785,103.78 - Step 5: Solve for x
x = 87,826,785,103.78/282,597.68 - Step 6: Final answer
x = 310,783.82
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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.