Finding the Fourth Proportional to 249,625.60, 374,438.40 and 220,101.10
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Solution
The fourth proportional to 249,625.60, 374,438.40 and 220,101.10 is: 330,151.65
Step by Step Solution
- Step 1: Write the proportion equation
249,625.60 : 374,438.40 = 220,101.10 : x - Step 2: Convert to fraction form
249,625.60/374,438.40 = 220,101.10/x - Step 3: Cross multiply
249,625.60x = 374,438.40 × 220,101.10 - Step 4: Simplify right side
249,625.60x = 82,414,303,722.24 - Step 5: Solve for x
x = 82,414,303,722.24/249,625.60 - Step 6: Final answer
x = 330,151.65
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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.