Finding the Fourth Proportional to 248,430.60, 342,833.76 and 135,253.08
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Solution
The fourth proportional to 248,430.60, 342,833.76 and 135,253.08 is: 186,649.00
Step by Step Solution
- Step 1: Write the proportion equation
248,430.60 : 342,833.76 = 135,253.08 : x - Step 2: Convert to fraction form
248,430.60/342,833.76 = 135,253.08/x - Step 3: Cross multiply
248,430.60x = 342,833.76 × 135,253.08 - Step 4: Simplify right side
248,430.60x = 46,369,321,967.98 - Step 5: Solve for x
x = 46,369,321,967.98/248,430.60 - Step 6: Final answer
x = 186,649.00
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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.