Finding the Fourth Proportional to 257,118.09, 385,925.90 and 124,091.99
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Solution
The fourth proportional to 257,118.09, 385,925.90 and 124,091.99 is: 186,258.05
Step by Step Solution
- Step 1: Write the proportion equation
257,118.09 : 385,925.90 = 124,091.99 : x - Step 2: Convert to fraction form
257,118.09/385,925.90 = 124,091.99/x - Step 3: Cross multiply
257,118.09x = 385,925.90 × 124,091.99 - Step 4: Simplify right side
257,118.09x = 47,890,312,923.54 - Step 5: Solve for x
x = 47,890,312,923.54/257,118.09 - Step 6: Final answer
x = 186,258.05
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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.