Finding the Fourth Proportional to 253,408.08, 349,701.12 and 140,237.04
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Solution
The fourth proportional to 253,408.08, 349,701.12 and 140,237.04 is: 193,525.99
Step by Step Solution
- Step 1: Write the proportion equation
253,408.08 : 349,701.12 = 140,237.04 : x - Step 2: Convert to fraction form
253,408.08/349,701.12 = 140,237.04/x - Step 3: Cross multiply
253,408.08x = 349,701.12 × 140,237.04 - Step 4: Simplify right side
253,408.08x = 49,041,049,953.48 - Step 5: Solve for x
x = 49,041,049,953.48/253,408.08 - Step 6: Final answer
x = 193,525.99
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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.