Finding the Fourth Proportional to 97,577.76, 146,415.84 and 38,455.80
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Solution
The fourth proportional to 97,577.76, 146,415.84 and 38,455.80 is: 57,703.09
Step by Step Solution
- Step 1: Write the proportion equation
97,577.76 : 146,415.84 = 38,455.80 : x - Step 2: Convert to fraction form
97,577.76/146,415.84 = 38,455.80/x - Step 3: Cross multiply
97,577.76x = 146,415.84 × 38,455.80 - Step 4: Simplify right side
97,577.76x = 5,630,538,259.87 - Step 5: Solve for x
x = 5,630,538,259.87/97,577.76 - Step 6: Final answer
x = 57,703.09
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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.