Finding the Fourth Proportional to 368,664.24, 553,151.88 and 219,190.08
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Solution
The fourth proportional to 368,664.24, 553,151.88 and 219,190.08 is: 328,877.58
Step by Step Solution
- Step 1: Write the proportion equation
368,664.24 : 553,151.88 = 219,190.08 : x - Step 2: Convert to fraction form
368,664.24/553,151.88 = 219,190.08/x - Step 3: Cross multiply
368,664.24x = 553,151.88 × 219,190.08 - Step 4: Simplify right side
368,664.24x = 121,245,404,829.35 - Step 5: Solve for x
x = 121,245,404,829.35/368,664.24 - Step 6: Final answer
x = 328,877.58
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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.