Finding the Fourth Proportional to 202,497.40, 303,746.10 and 185,438.80
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Solution
The fourth proportional to 202,497.40, 303,746.10 and 185,438.80 is: 278,158.20
Step by Step Solution
- Step 1: Write the proportion equation
202,497.40 : 303,746.10 = 185,438.80 : x - Step 2: Convert to fraction form
202,497.40/303,746.10 = 185,438.80/x - Step 3: Cross multiply
202,497.40x = 303,746.10 × 185,438.80 - Step 4: Simplify right side
202,497.40x = 56,326,312,288.68 - Step 5: Solve for x
x = 56,326,312,288.68/202,497.40 - Step 6: Final answer
x = 278,158.20
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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.