Finding the Fourth Proportional to 383,225.28, 528,810.84 and 236,026.68
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Solution
The fourth proportional to 383,225.28, 528,810.84 and 236,026.68 is: 325,692.15
Step by Step Solution
- Step 1: Write the proportion equation
383,225.28 : 528,810.84 = 236,026.68 : x - Step 2: Convert to fraction form
383,225.28/528,810.84 = 236,026.68/x - Step 3: Cross multiply
383,225.28x = 528,810.84 × 236,026.68 - Step 4: Simplify right side
383,225.28x = 124,813,466,913.21 - Step 5: Solve for x
x = 124,813,466,913.21/383,225.28 - Step 6: Final answer
x = 325,692.15
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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.