Finding the Fourth Proportional to 535,617.36, 739,178.76 and 293,897.82
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Solution
The fourth proportional to 535,617.36, 739,178.76 and 293,897.82 is: 405,593.70
Step by Step Solution
- Step 1: Write the proportion equation
535,617.36 : 739,178.76 = 293,897.82 : x - Step 2: Convert to fraction form
535,617.36/739,178.76 = 293,897.82/x - Step 3: Cross multiply
535,617.36x = 739,178.76 × 293,897.82 - Step 4: Simplify right side
535,617.36x = 217,243,026,154.30 - Step 5: Solve for x
x = 217,243,026,154.30/535,617.36 - Step 6: Final answer
x = 405,593.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.