Finding the Fourth Proportional to 368,378.40, 552,567.60 and 102,138.92
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Solution
The fourth proportional to 368,378.40, 552,567.60 and 102,138.92 is: 153,208.38
Step by Step Solution
- Step 1: Write the proportion equation
368,378.40 : 552,567.60 = 102,138.92 : x - Step 2: Convert to fraction form
368,378.40/552,567.60 = 102,138.92/x - Step 3: Cross multiply
368,378.40x = 552,567.60 × 102,138.92 - Step 4: Simplify right side
368,378.40x = 56,438,657,890.99 - Step 5: Solve for x
x = 56,438,657,890.99/368,378.40 - Step 6: Final answer
x = 153,208.38
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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.