Finding the Fourth Proportional to 253,070.30, 349,220.40 and 145,622.99
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Solution
The fourth proportional to 253,070.30, 349,220.40 and 145,622.99 is: 200,950.17
Step by Step Solution
- Step 1: Write the proportion equation
253,070.30 : 349,220.40 = 145,622.99 : x - Step 2: Convert to fraction form
253,070.30/349,220.40 = 145,622.99/x - Step 3: Cross multiply
253,070.30x = 349,220.40 × 145,622.99 - Step 4: Simplify right side
253,070.30x = 50,854,519,143.96 - Step 5: Solve for x
x = 50,854,519,143.96/253,070.30 - Step 6: Final answer
x = 200,950.17
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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.