Finding the Fourth Proportional to 213,959.95, 295,281.35 and 118,475.53
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Solution
The fourth proportional to 213,959.95, 295,281.35 and 118,475.53 is: 163,505.43
Step by Step Solution
- Step 1: Write the proportion equation
213,959.95 : 295,281.35 = 118,475.53 : x - Step 2: Convert to fraction form
213,959.95/295,281.35 = 118,475.53/x - Step 3: Cross multiply
213,959.95x = 295,281.35 × 118,475.53 - Step 4: Simplify right side
213,959.95x = 34,983,613,554.07 - Step 5: Solve for x
x = 34,983,613,554.07/213,959.95 - Step 6: Final answer
x = 163,505.43
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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.