Finding the Fourth Proportional to 260,158.79, 390,268.13 and 100,197.42
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Solution
The fourth proportional to 260,158.79, 390,268.13 and 100,197.42 is: 150,307.66
Step by Step Solution
- Step 1: Write the proportion equation
260,158.79 : 390,268.13 = 100,197.42 : x - Step 2: Convert to fraction form
260,158.79/390,268.13 = 100,197.42/x - Step 3: Cross multiply
260,158.79x = 390,268.13 × 100,197.42 - Step 4: Simplify right side
260,158.79x = 39,103,859,233.24 - Step 5: Solve for x
x = 39,103,859,233.24/260,158.79 - Step 6: Final answer
x = 150,307.66
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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.