Finding the Fourth Proportional to 215,539.74, 297,433.08 and 118,724.63
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Solution
The fourth proportional to 215,539.74, 297,433.08 and 118,724.63 is: 163,833.50
Step by Step Solution
- Step 1: Write the proportion equation
215,539.74 : 297,433.08 = 118,724.63 : x - Step 2: Convert to fraction form
215,539.74/297,433.08 = 118,724.63/x - Step 3: Cross multiply
215,539.74x = 297,433.08 × 118,724.63 - Step 4: Simplify right side
215,539.74x = 35,312,630,885.60 - Step 5: Solve for x
x = 35,312,630,885.60/215,539.74 - Step 6: Final answer
x = 163,833.50
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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.