Finding the Fourth Proportional to 202,607.70, 303,911.55 and 97,631.70
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Solution
The fourth proportional to 202,607.70, 303,911.55 and 97,631.70 is: 146,447.55
Step by Step Solution
- Step 1: Write the proportion equation
202,607.70 : 303,911.55 = 97,631.70 : x - Step 2: Convert to fraction form
202,607.70/303,911.55 = 97,631.70/x - Step 3: Cross multiply
202,607.70x = 303,911.55 × 97,631.70 - Step 4: Simplify right side
202,607.70x = 29,671,401,276.14 - Step 5: Solve for x
x = 29,671,401,276.14/202,607.70 - Step 6: Final answer
x = 146,447.55
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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.