Finding the Fourth Proportional to 190,488.24, 285,599.52 and 83,820.96
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Solution
The fourth proportional to 190,488.24, 285,599.52 and 83,820.96 is: 125,672.99
Step by Step Solution
- Step 1: Write the proportion equation
190,488.24 : 285,599.52 = 83,820.96 : x - Step 2: Convert to fraction form
190,488.24/285,599.52 = 83,820.96/x - Step 3: Cross multiply
190,488.24x = 285,599.52 × 83,820.96 - Step 4: Simplify right side
190,488.24x = 23,939,225,941.94 - Step 5: Solve for x
x = 23,939,225,941.94/190,488.24 - Step 6: Final answer
x = 125,672.99
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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.