Finding the Fourth Proportional to 219,427.95, 302,808.84 and 118,825.95
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Solution
The fourth proportional to 219,427.95, 302,808.84 and 118,825.95 is: 163,978.87
Step by Step Solution
- Step 1: Write the proportion equation
219,427.95 : 302,808.84 = 118,825.95 : x - Step 2: Convert to fraction form
219,427.95/302,808.84 = 118,825.95/x - Step 3: Cross multiply
219,427.95x = 302,808.84 × 118,825.95 - Step 4: Simplify right side
219,427.95x = 35,981,548,081.40 - Step 5: Solve for x
x = 35,981,548,081.40/219,427.95 - Step 6: Final answer
x = 163,978.87
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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.