Finding the Fourth Proportional to 193,430.48, 290,235.12 and 88,281.68
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Solution
The fourth proportional to 193,430.48, 290,235.12 and 88,281.68 is: 132,463.32
Step by Step Solution
- Step 1: Write the proportion equation
193,430.48 : 290,235.12 = 88,281.68 : x - Step 2: Convert to fraction form
193,430.48/290,235.12 = 88,281.68/x - Step 3: Cross multiply
193,430.48x = 290,235.12 × 88,281.68 - Step 4: Simplify right side
193,430.48x = 25,622,443,988.60 - Step 5: Solve for x
x = 25,622,443,988.60/193,430.48 - Step 6: Final answer
x = 132,463.32
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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.