Finding the Fourth Proportional to 403,307.80, 604,961.70 and 298,331.80
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Solution
The fourth proportional to 403,307.80, 604,961.70 and 298,331.80 is: 447,497.70
Step by Step Solution
- Step 1: Write the proportion equation
403,307.80 : 604,961.70 = 298,331.80 : x - Step 2: Convert to fraction form
403,307.80/604,961.70 = 298,331.80/x - Step 3: Cross multiply
403,307.80x = 604,961.70 × 298,331.80 - Step 4: Simplify right side
403,307.80x = 180,479,312,892.06 - Step 5: Solve for x
x = 180,479,312,892.06/403,307.80 - Step 6: Final answer
x = 447,497.70
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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.