Finding the Fourth Proportional to 310,627.05, 465,946.40 and 97,390.23
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Solution
The fourth proportional to 310,627.05, 465,946.40 and 97,390.23 is: 146,087.17
Step by Step Solution
- Step 1: Write the proportion equation
310,627.05 : 465,946.40 = 97,390.23 : x - Step 2: Convert to fraction form
310,627.05/465,946.40 = 97,390.23/x - Step 3: Cross multiply
310,627.05x = 465,946.40 × 97,390.23 - Step 4: Simplify right side
310,627.05x = 45,378,627,063.67 - Step 5: Solve for x
x = 45,378,627,063.67/310,627.05 - Step 6: Final answer
x = 146,087.17
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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.