Finding the Fourth Proportional to 403,100.20, 604,650.30 and 146,951.99
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Solution
The fourth proportional to 403,100.20, 604,650.30 and 146,951.99 is: 220,427.99
Step by Step Solution
- Step 1: Write the proportion equation
403,100.20 : 604,650.30 = 146,951.99 : x - Step 2: Convert to fraction form
403,100.20/604,650.30 = 146,951.99/x - Step 3: Cross multiply
403,100.20x = 604,650.30 × 146,951.99 - Step 4: Simplify right side
403,100.20x = 88,854,564,839.10 - Step 5: Solve for x
x = 88,854,564,839.10/403,100.20 - Step 6: Final answer
x = 220,427.99
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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.