Finding the Fourth Proportional to 463,228.29, 693,490.28 and 285,201.09
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Solution
The fourth proportional to 463,228.29, 693,490.28 and 285,201.09 is: 426,969.14
Step by Step Solution
- Step 1: Write the proportion equation
463,228.29 : 693,490.28 = 285,201.09 : x - Step 2: Convert to fraction form
463,228.29/693,490.28 = 285,201.09/x - Step 3: Cross multiply
463,228.29x = 693,490.28 × 285,201.09 - Step 4: Simplify right side
463,228.29x = 197,784,182,334.40 - Step 5: Solve for x
x = 197,784,182,334.40/463,228.29 - Step 6: Final answer
x = 426,969.14
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1.5x scale
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.