Finding the Fourth Proportional to 169,805.93, 234,337.45 and 93,323.63
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Solution
The fourth proportional to 169,805.93, 234,337.45 and 93,323.63 is: 128,789.50
Step by Step Solution
- Step 1: Write the proportion equation
169,805.93 : 234,337.45 = 93,323.63 : x - Step 2: Convert to fraction form
169,805.93/234,337.45 = 93,323.63/x - Step 3: Cross multiply
169,805.93x = 234,337.45 × 93,323.63 - Step 4: Simplify right side
169,805.93x = 21,869,221,478.94 - Step 5: Solve for x
x = 21,869,221,478.94/169,805.93 - Step 6: Final answer
x = 128,789.50
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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.