Finding the Fourth Proportional to 671,253.28, 1,006,726.12 and 191,471.99
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Solution
The fourth proportional to 671,253.28, 1,006,726.12 and 191,471.99 is: 287,164.11
Step by Step Solution
- Step 1: Write the proportion equation
671,253.28 : 1,006,726.12 = 191,471.99 : x - Step 2: Convert to fraction form
671,253.28/1,006,726.12 = 191,471.99/x - Step 3: Cross multiply
671,253.28x = 1,006,726.12 × 191,471.99 - Step 4: Simplify right side
671,253.28x = 192,759,848,069.07 - Step 5: Solve for x
x = 192,759,848,069.07/671,253.28 - Step 6: Final answer
x = 287,164.11
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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.