Finding the Fourth Proportional to 307,035.92, 460,615.98 and 129,543.32
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Solution
The fourth proportional to 307,035.92, 460,615.98 and 129,543.32 is: 194,341.18
Step by Step Solution
- Step 1: Write the proportion equation
307,035.92 : 460,615.98 = 129,543.32 : x - Step 2: Convert to fraction form
307,035.92/460,615.98 = 129,543.32/x - Step 3: Cross multiply
307,035.92x = 460,615.98 × 129,543.32 - Step 4: Simplify right side
307,035.92x = 59,669,723,294.25 - Step 5: Solve for x
x = 59,669,723,294.25/307,035.92 - Step 6: Final answer
x = 194,341.18
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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.