Finding the Fourth Proportional to 286,779.36, 395,853.96 and 173,602.14
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Solution
The fourth proportional to 286,779.36, 395,853.96 and 173,602.14 is: 239,630.55
Step by Step Solution
- Step 1: Write the proportion equation
286,779.36 : 395,853.96 = 173,602.14 : x - Step 2: Convert to fraction form
286,779.36/395,853.96 = 173,602.14/x - Step 3: Cross multiply
286,779.36x = 395,853.96 × 173,602.14 - Step 4: Simplify right side
286,779.36x = 68,721,094,583.47 - Step 5: Solve for x
x = 68,721,094,583.47/286,779.36 - Step 6: Final answer
x = 239,630.55
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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.