Finding the Fourth Proportional to 508,750.60, 763,125.90 and 129,670.60
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Solution
The fourth proportional to 508,750.60, 763,125.90 and 129,670.60 is: 194,505.90
Step by Step Solution
- Step 1: Write the proportion equation
508,750.60 : 763,125.90 = 129,670.60 : x - Step 2: Convert to fraction form
508,750.60/763,125.90 = 129,670.60/x - Step 3: Cross multiply
508,750.60x = 763,125.90 × 129,670.60 - Step 4: Simplify right side
508,750.60x = 98,954,993,328.54 - Step 5: Solve for x
x = 98,954,993,328.54/508,750.60 - Step 6: Final answer
x = 194,505.90
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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.