Finding the Fourth Proportional to 403,703.80, 605,037.30 and 309,743.80
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Solution
The fourth proportional to 403,703.80, 605,037.30 and 309,743.80 is: 464,217.95
Step by Step Solution
- Step 1: Write the proportion equation
403,703.80 : 605,037.30 = 309,743.80 : x - Step 2: Convert to fraction form
403,703.80/605,037.30 = 309,743.80/x - Step 3: Cross multiply
403,703.80x = 605,037.30 × 309,743.80 - Step 4: Simplify right side
403,703.80x = 187,406,552,443.74 - Step 5: Solve for x
x = 187,406,552,443.74/403,703.80 - Step 6: Final answer
x = 464,217.95
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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.