Finding the Fourth Proportional to 410,037.80, 614,765.10 and 157,220.60
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Solution
The fourth proportional to 410,037.80, 614,765.10 and 157,220.60 is: 235,719.09
Step by Step Solution
- Step 1: Write the proportion equation
410,037.80 : 614,765.10 = 157,220.60 : x - Step 2: Convert to fraction form
410,037.80/614,765.10 = 157,220.60/x - Step 3: Cross multiply
410,037.80x = 614,765.10 × 157,220.60 - Step 4: Simplify right side
410,037.80x = 96,653,737,881.06 - Step 5: Solve for x
x = 96,653,737,881.06/410,037.80 - Step 6: Final answer
x = 235,719.09
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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.