Finding the Fourth Proportional to 403,899.80, 564,353.80 and 403,899.80
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Solution
The fourth proportional to 403,899.80, 564,353.80 and 403,899.80 is: 564,353.80
Step by Step Solution
- Step 1: Write the proportion equation
403,899.80 : 564,353.80 = 403,899.80 : x - Step 2: Convert to fraction form
403,899.80/564,353.80 = 403,899.80/x - Step 3: Cross multiply
403,899.80x = 564,353.80 × 403,899.80 - Step 4: Simplify right side
403,899.80x = 227,942,386,949.24 - Step 5: Solve for x
x = 227,942,386,949.24/403,899.80 - Step 6: Final answer
x = 564,353.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.