Finding the Fourth Proportional to 310,510.79, 465,765.60 and 97,295.02
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Solution
The fourth proportional to 310,510.79, 465,765.60 and 97,295.02 is: 145,942.35
Step by Step Solution
- Step 1: Write the proportion equation
310,510.79 : 465,765.60 = 97,295.02 : x - Step 2: Convert to fraction form
310,510.79/465,765.60 = 97,295.02/x - Step 3: Cross multiply
310,510.79x = 465,765.60 × 97,295.02 - Step 4: Simplify right side
310,510.79x = 45,316,675,693.88 - Step 5: Solve for x
x = 45,316,675,693.88/310,510.79 - Step 6: Final answer
x = 145,942.35
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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.