Finding the Fourth Proportional to 351,263.08, 484,754.79 and 215,270.75
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Solution
The fourth proportional to 351,263.08, 484,754.79 and 215,270.75 is: 297,080.83
Step by Step Solution
- Step 1: Write the proportion equation
351,263.08 : 484,754.79 = 215,270.75 : x - Step 2: Convert to fraction form
351,263.08/484,754.79 = 215,270.75/x - Step 3: Cross multiply
351,263.08x = 484,754.79 × 215,270.75 - Step 4: Simplify right side
351,263.08x = 104,353,527,209.39 - Step 5: Solve for x
x = 104,353,527,209.39/351,263.08 - Step 6: Final answer
x = 297,080.83
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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.