Finding the Fourth Proportional to 234,209.18, 323,208.40 and 126,779.18
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Solution
The fourth proportional to 234,209.18, 323,208.40 and 126,779.18 is: 174,955.12
Step by Step Solution
- Step 1: Write the proportion equation
234,209.18 : 323,208.40 = 126,779.18 : x - Step 2: Convert to fraction form
234,209.18/323,208.40 = 126,779.18/x - Step 3: Cross multiply
234,209.18x = 323,208.40 × 126,779.18 - Step 4: Simplify right side
234,209.18x = 40,976,095,287.22 - Step 5: Solve for x
x = 40,976,095,287.22/234,209.18 - Step 6: Final answer
x = 174,955.12
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1.5x scale
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.