Finding the Fourth Proportional to 310,708.18, 465,739.08 and 210,876.49
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Solution
The fourth proportional to 310,708.18, 465,739.08 and 210,876.49 is: 316,095.39
Step by Step Solution
- Step 1: Write the proportion equation
310,708.18 : 465,739.08 = 210,876.49 : x - Step 2: Convert to fraction form
310,708.18/465,739.08 = 210,876.49/x - Step 3: Cross multiply
310,708.18x = 465,739.08 × 210,876.49 - Step 4: Simplify right side
310,708.18x = 98,213,422,446.23 - Step 5: Solve for x
x = 98,213,422,446.23/310,708.18 - Step 6: Final answer
x = 316,095.39
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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.