Finding the Fourth Proportional to 310,510.85, 465,765.70 and 97,295.09
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Solution
The fourth proportional to 310,510.85, 465,765.70 and 97,295.09 is: 145,942.45
Step by Step Solution
- Step 1: Write the proportion equation
310,510.85 : 465,765.70 = 97,295.09 : x - Step 2: Convert to fraction form
310,510.85/465,765.70 = 97,295.09/x - Step 3: Cross multiply
310,510.85x = 465,765.70 × 97,295.09 - Step 4: Simplify right side
310,510.85x = 45,316,713,940.85 - Step 5: Solve for x
x = 45,316,713,940.85/310,510.85 - Step 6: Final answer
x = 145,942.45
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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.