Finding the Fourth Proportional to 253,597.36, 349,960.08 and 140,417.68
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Solution
The fourth proportional to 253,597.36, 349,960.08 and 140,417.68 is: 193,774.03
Step by Step Solution
- Step 1: Write the proportion equation
253,597.36 : 349,960.08 = 140,417.68 : x - Step 2: Convert to fraction form
253,597.36/349,960.08 = 140,417.68/x - Step 3: Cross multiply
253,597.36x = 349,960.08 × 140,417.68 - Step 4: Simplify right side
253,597.36x = 49,140,582,526.21 - Step 5: Solve for x
x = 49,140,582,526.21/253,597.36 - Step 6: Final answer
x = 193,774.03
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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.