Finding the Fourth Proportional to 651,581.80, 977,445.60 and 202,299.10
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Solution
The fourth proportional to 651,581.80, 977,445.60 and 202,299.10 is: 303,471.28
Step by Step Solution
- Step 1: Write the proportion equation
651,581.80 : 977,445.60 = 202,299.10 : x - Step 2: Convert to fraction form
651,581.80/977,445.60 = 202,299.10/x - Step 3: Cross multiply
651,581.80x = 977,445.60 × 202,299.10 - Step 4: Simplify right side
651,581.80x = 197,736,365,178.96 - Step 5: Solve for x
x = 197,736,365,178.96/651,581.80 - Step 6: Final answer
x = 303,471.28
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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.