Finding the Fourth Proportional to 260,416.97, 390,625.12 and 171,024.03
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Solution
The fourth proportional to 260,416.97, 390,625.12 and 171,024.03 is: 256,535.82
Step by Step Solution
- Step 1: Write the proportion equation
260,416.97 : 390,625.12 = 171,024.03 : x - Step 2: Convert to fraction form
260,416.97/390,625.12 = 171,024.03/x - Step 3: Cross multiply
260,416.97x = 390,625.12 × 171,024.03 - Step 4: Simplify right side
260,416.97x = 66,806,282,241.63 - Step 5: Solve for x
x = 66,806,282,241.63/260,416.97 - Step 6: Final answer
x = 256,535.82
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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.