Finding the Fourth Proportional to 538,189.99, 807,264.79 and 133,383.53
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Solution
The fourth proportional to 538,189.99, 807,264.79 and 133,383.53 is: 200,070.29
Step by Step Solution
- Step 1: Write the proportion equation
538,189.99 : 807,264.79 = 133,383.53 : x - Step 2: Convert to fraction form
538,189.99/807,264.79 = 133,383.53/x - Step 3: Cross multiply
538,189.99x = 807,264.79 × 133,383.53 - Step 4: Simplify right side
538,189.99x = 107,675,827,334.91 - Step 5: Solve for x
x = 107,675,827,334.91/538,189.99 - Step 6: Final answer
x = 200,070.29
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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.