Finding the Fourth Proportional to 293,388.84, 440,374.86 and 135,652.68
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Solution
The fourth proportional to 293,388.84, 440,374.86 and 135,652.68 is: 203,613.85
Step by Step Solution
- Step 1: Write the proportion equation
293,388.84 : 440,374.86 = 135,652.68 : x - Step 2: Convert to fraction form
293,388.84/440,374.86 = 135,652.68/x - Step 3: Cross multiply
293,388.84x = 440,374.86 × 135,652.68 - Step 4: Simplify right side
293,388.84x = 59,738,029,963.62 - Step 5: Solve for x
x = 59,738,029,963.62/293,388.84 - Step 6: Final answer
x = 203,613.85
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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.