Finding the Fourth Proportional to 219,611.80, 329,417.70 and 193,367.80
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Solution
The fourth proportional to 219,611.80, 329,417.70 and 193,367.80 is: 290,051.70
Step by Step Solution
- Step 1: Write the proportion equation
219,611.80 : 329,417.70 = 193,367.80 : x - Step 2: Convert to fraction form
219,611.80/329,417.70 = 193,367.80/x - Step 3: Cross multiply
219,611.80x = 329,417.70 × 193,367.80 - Step 4: Simplify right side
219,611.80x = 63,698,775,930.06 - Step 5: Solve for x
x = 63,698,775,930.06/219,611.80 - Step 6: Final answer
x = 290,051.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.