Finding the Fourth Proportional to 293,367.18, 440,145.54 and 135,699.06
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Solution
The fourth proportional to 293,367.18, 440,145.54 and 135,699.06 is: 203,592.43
Step by Step Solution
- Step 1: Write the proportion equation
293,367.18 : 440,145.54 = 135,699.06 : x - Step 2: Convert to fraction form
293,367.18/440,145.54 = 135,699.06/x - Step 3: Cross multiply
293,367.18x = 440,145.54 × 135,699.06 - Step 4: Simplify right side
293,367.18x = 59,727,336,041.19 - Step 5: Solve for x
x = 59,727,336,041.19/293,367.18 - Step 6: Final answer
x = 203,592.43
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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.