Finding the Fourth Proportional to 535,678.97, 739,258.30 and 293,970.19
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Solution
The fourth proportional to 535,678.97, 739,258.30 and 293,970.19 is: 405,690.56
Step by Step Solution
- Step 1: Write the proportion equation
535,678.97 : 739,258.30 = 293,970.19 : x - Step 2: Convert to fraction form
535,678.97/739,258.30 = 293,970.19/x - Step 3: Cross multiply
535,678.97x = 739,258.30 × 293,970.19 - Step 4: Simplify right side
535,678.97x = 217,319,899,592.08 - Step 5: Solve for x
x = 217,319,899,592.08/535,678.97 - Step 6: Final answer
x = 405,690.56
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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.