Finding the Fourth Proportional to 249,649.92, 374,474.88 and 83,437.92
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Solution
The fourth proportional to 249,649.92, 374,474.88 and 83,437.92 is: 125,156.88
Step by Step Solution
- Step 1: Write the proportion equation
249,649.92 : 374,474.88 = 83,437.92 : x - Step 2: Convert to fraction form
249,649.92/374,474.88 = 83,437.92/x - Step 3: Cross multiply
249,649.92x = 374,474.88 × 83,437.92 - Step 4: Simplify right side
249,649.92x = 31,245,405,079.45 - Step 5: Solve for x
x = 31,245,405,079.45/249,649.92 - Step 6: Final answer
x = 125,156.88
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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.