Finding the Fourth Proportional to 368,203.79, 552,305.41 and 115,503.79
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Solution
The fourth proportional to 368,203.79, 552,305.41 and 115,503.79 is: 173,255.60
Step by Step Solution
- Step 1: Write the proportion equation
368,203.79 : 552,305.41 = 115,503.79 : x - Step 2: Convert to fraction form
368,203.79/552,305.41 = 115,503.79/x - Step 3: Cross multiply
368,203.79x = 552,305.41 × 115,503.79 - Step 4: Simplify right side
368,203.79x = 63,793,368,092.50 - Step 5: Solve for x
x = 63,793,368,092.50/368,203.79 - Step 6: Final answer
x = 173,255.60
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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.