Finding the Fourth Proportional to 310,528.56, 465,792.84 and 247,905.84
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Solution
The fourth proportional to 310,528.56, 465,792.84 and 247,905.84 is: 371,858.76
Step by Step Solution
- Step 1: Write the proportion equation
310,528.56 : 465,792.84 = 247,905.84 : x - Step 2: Convert to fraction form
310,528.56/465,792.84 = 247,905.84/x - Step 3: Cross multiply
310,528.56x = 465,792.84 × 247,905.84 - Step 4: Simplify right side
310,528.56x = 115,472,765,266.19 - Step 5: Solve for x
x = 115,472,765,266.19/310,528.56 - Step 6: Final answer
x = 371,858.76
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1.5x scale
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.