Finding the Fourth Proportional to 483,504.99, 725,264.10 and 128,517.18
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Solution
The fourth proportional to 483,504.99, 725,264.10 and 128,517.18 is: 192,777.53
Step by Step Solution
- Step 1: Write the proportion equation
483,504.99 : 725,264.10 = 128,517.18 : x - Step 2: Convert to fraction form
483,504.99/725,264.10 = 128,517.18/x - Step 3: Cross multiply
483,504.99x = 725,264.10 × 128,517.18 - Step 4: Simplify right side
483,504.99x = 93,208,896,887.24 - Step 5: Solve for x
x = 93,208,896,887.24/483,504.99 - Step 6: Final answer
x = 192,777.53
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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.