Finding the Fourth Proportional to 257,278.96, 384,444.17 and 196,152.99
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Solution
The fourth proportional to 257,278.96, 384,444.17 and 196,152.99 is: 293,105.47
Step by Step Solution
- Step 1: Write the proportion equation
257,278.96 : 384,444.17 = 196,152.99 : x - Step 2: Convert to fraction form
257,278.96/384,444.17 = 196,152.99/x - Step 3: Cross multiply
257,278.96x = 384,444.17 × 196,152.99 - Step 4: Simplify right side
257,278.96x = 75,409,871,746.71 - Step 5: Solve for x
x = 75,409,871,746.71/257,278.96 - Step 6: Final answer
x = 293,105.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.