Finding the Fourth Proportional to 156,246.73, 215,607.50 and 91,708.99
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Solution
The fourth proportional to 156,246.73, 215,607.50 and 91,708.99 is: 126,550.78
Step by Step Solution
- Step 1: Write the proportion equation
156,246.73 : 215,607.50 = 91,708.99 : x - Step 2: Convert to fraction form
156,246.73/215,607.50 = 91,708.99/x - Step 3: Cross multiply
156,246.73x = 215,607.50 × 91,708.99 - Step 4: Simplify right side
156,246.73x = 19,773,145,602.88 - Step 5: Solve for x
x = 19,773,145,602.88/156,246.73 - Step 6: Final answer
x = 126,550.78
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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.