Finding the Fourth Proportional to 170,587.68, 255,548.88 and 103,862.28
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Solution
The fourth proportional to 170,587.68, 255,548.88 and 103,862.28 is: 155,590.89
Step by Step Solution
- Step 1: Write the proportion equation
170,587.68 : 255,548.88 = 103,862.28 : x - Step 2: Convert to fraction form
170,587.68/255,548.88 = 103,862.28/x - Step 3: Cross multiply
170,587.68x = 255,548.88 × 103,862.28 - Step 4: Simplify right side
170,587.68x = 26,541,889,328.25 - Step 5: Solve for x
x = 26,541,889,328.25/170,587.68 - Step 6: Final answer
x = 155,590.89
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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.