Finding the Fourth Proportional to 236,048.52, 325,746.99 and 128,618.58
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Solution
The fourth proportional to 236,048.52, 325,746.99 and 128,618.58 is: 177,493.66
Step by Step Solution
- Step 1: Write the proportion equation
236,048.52 : 325,746.99 = 128,618.58 : x - Step 2: Convert to fraction form
236,048.52/325,746.99 = 128,618.58/x - Step 3: Cross multiply
236,048.52x = 325,746.99 × 128,618.58 - Step 4: Simplify right side
236,048.52x = 41,897,115,293.07 - Step 5: Solve for x
x = 41,897,115,293.07/236,048.52 - Step 6: Final answer
x = 177,493.66
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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.