Finding the Fourth Proportional to 634,153.20, 875,138.60 and 362,257.08
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Solution
The fourth proportional to 634,153.20, 875,138.60 and 362,257.08 is: 499,918.87
Step by Step Solution
- Step 1: Write the proportion equation
634,153.20 : 875,138.60 = 362,257.08 : x - Step 2: Convert to fraction form
634,153.20/875,138.60 = 362,257.08/x - Step 3: Cross multiply
634,153.20x = 875,138.60 × 362,257.08 - Step 4: Simplify right side
634,153.20x = 317,025,153,831.29 - Step 5: Solve for x
x = 317,025,153,831.29/634,153.20 - Step 6: Final answer
x = 499,918.87
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1.5x scale
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.