Finding the Fourth Proportional to 659,156.84, 909,660.94 and 372,659.84
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Solution
The fourth proportional to 659,156.84, 909,660.94 and 372,659.84 is: 514,284.43
Step by Step Solution
- Step 1: Write the proportion equation
659,156.84 : 909,660.94 = 372,659.84 : x - Step 2: Convert to fraction form
659,156.84/909,660.94 = 372,659.84/x - Step 3: Cross multiply
659,156.84x = 909,660.94 × 372,659.84 - Step 4: Simplify right side
659,156.84x = 338,994,098,285.92 - Step 5: Solve for x
x = 338,994,098,285.92/659,156.84 - Step 6: Final answer
x = 514,284.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.