Finding the Fourth Proportional to 293,240.35, 438,041.08 and 212,638.46
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Solution
The fourth proportional to 293,240.35, 438,041.08 and 212,638.46 is: 317,638.35
Step by Step Solution
- Step 1: Write the proportion equation
293,240.35 : 438,041.08 = 212,638.46 : x - Step 2: Convert to fraction form
293,240.35/438,041.08 = 212,638.46/x - Step 3: Cross multiply
293,240.35x = 438,041.08 × 212,638.46 - Step 4: Simplify right side
293,240.35x = 93,144,381,231.44 - Step 5: Solve for x
x = 93,144,381,231.44/293,240.35 - Step 6: Final answer
x = 317,638.35
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.