Finding the Fourth Proportional to 559,991.70, 839,987.55 and 204,887.70
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Solution
The fourth proportional to 559,991.70, 839,987.55 and 204,887.70 is: 307,331.55
Step by Step Solution
- Step 1: Write the proportion equation
559,991.70 : 839,987.55 = 204,887.70 : x - Step 2: Convert to fraction form
559,991.70/839,987.55 = 204,887.70/x - Step 3: Cross multiply
559,991.70x = 839,987.55 × 204,887.70 - Step 4: Simplify right side
559,991.70x = 172,103,117,148.14 - Step 5: Solve for x
x = 172,103,117,148.14/559,991.70 - Step 6: Final answer
x = 307,331.55
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Similar ratio
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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.