Finding the Fourth Proportional to 253,135.21, 379,515.35 and 153,271.93
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Solution
The fourth proportional to 253,135.21, 379,515.35 and 153,271.93 is: 229,794.38
Step by Step Solution
- Step 1: Write the proportion equation
253,135.21 : 379,515.35 = 153,271.93 : x - Step 2: Convert to fraction form
253,135.21/379,515.35 = 153,271.93/x - Step 3: Cross multiply
253,135.21x = 379,515.35 × 153,271.93 - Step 4: Simplify right side
253,135.21x = 58,169,049,392.77 - Step 5: Solve for x
x = 58,169,049,392.77/253,135.21 - Step 6: Final answer
x = 229,794.38
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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.