Finding the Fourth Proportional to 409,557.80, 614,202.98 and 135,930.49
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Solution
The fourth proportional to 409,557.80, 614,202.98 and 135,930.49 is: 203,851.35
Step by Step Solution
- Step 1: Write the proportion equation
409,557.80 : 614,202.98 = 135,930.49 : x - Step 2: Convert to fraction form
409,557.80/614,202.98 = 135,930.49/x - Step 3: Cross multiply
409,557.80x = 614,202.98 × 135,930.49 - Step 4: Simplify right side
409,557.80x = 83,488,909,815.70 - Step 5: Solve for x
x = 83,488,909,815.70/409,557.80 - Step 6: Final answer
x = 203,851.35
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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.