Finding the Fourth Proportional to 249,645.60, 374,468.40 and 220,121.10
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Solution
The fourth proportional to 249,645.60, 374,468.40 and 220,121.10 is: 330,181.65
Step by Step Solution
- Step 1: Write the proportion equation
249,645.60 : 374,468.40 = 220,121.10 : x - Step 2: Convert to fraction form
249,645.60/374,468.40 = 220,121.10/x - Step 3: Cross multiply
249,645.60x = 374,468.40 × 220,121.10 - Step 4: Simplify right side
249,645.60x = 82,428,396,123.24 - Step 5: Solve for x
x = 82,428,396,123.24/249,645.60 - Step 6: Final answer
x = 330,181.65
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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.