Finding the Fourth Proportional to 260,207.28, 390,442.08 and 102,548.88
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Solution
The fourth proportional to 260,207.28, 390,442.08 and 102,548.88 is: 153,875.01
Step by Step Solution
- Step 1: Write the proportion equation
260,207.28 : 390,442.08 = 102,548.88 : x - Step 2: Convert to fraction form
260,207.28/390,442.08 = 102,548.88/x - Step 3: Cross multiply
260,207.28x = 390,442.08 × 102,548.88 - Step 4: Simplify right side
260,207.28x = 40,039,398,008.87 - Step 5: Solve for x
x = 40,039,398,008.87/260,207.28 - Step 6: Final answer
x = 153,875.01
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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.