Finding the Fourth Proportional to 286,580.52, 395,479.98 and 157,527.63
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Solution
The fourth proportional to 286,580.52, 395,479.98 and 157,527.63 is: 217,387.50
Step by Step Solution
- Step 1: Write the proportion equation
286,580.52 : 395,479.98 = 157,527.63 : x - Step 2: Convert to fraction form
286,580.52/395,479.98 = 157,527.63/x - Step 3: Cross multiply
286,580.52x = 395,479.98 × 157,527.63 - Step 4: Simplify right side
286,580.52x = 62,299,023,961.85 - Step 5: Solve for x
x = 62,299,023,961.85/286,580.52 - Step 6: Final answer
x = 217,387.50
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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.