Finding the Fourth Proportional to 260,135.75, 390,024.34 and 102,382.31
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Solution
The fourth proportional to 260,135.75, 390,024.34 and 102,382.31 is: 153,502.90
Step by Step Solution
- Step 1: Write the proportion equation
260,135.75 : 390,024.34 = 102,382.31 : x - Step 2: Convert to fraction form
260,135.75/390,024.34 = 102,382.31/x - Step 3: Cross multiply
260,135.75x = 390,024.34 × 102,382.31 - Step 4: Simplify right side
260,135.75x = 39,931,592,885.43 - Step 5: Solve for x
x = 39,931,592,885.43/260,135.75 - Step 6: Final answer
x = 153,502.90
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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.