Finding the Fourth Proportional to 286,807.22, 395,777.70 and 159,480.08
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Solution
The fourth proportional to 286,807.22, 395,777.70 and 159,480.08 is: 220,073.46
Step by Step Solution
- Step 1: Write the proportion equation
286,807.22 : 395,777.70 = 159,480.08 : x - Step 2: Convert to fraction form
286,807.22/395,777.70 = 159,480.08/x - Step 3: Cross multiply
286,807.22x = 395,777.70 × 159,480.08 - Step 4: Simplify right side
286,807.22x = 63,118,657,279.33 - Step 5: Solve for x
x = 63,118,657,279.33/286,807.22 - Step 6: Final answer
x = 220,073.46
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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.