Finding the Fourth Proportional to 191,963.49, 287,354.59 and 125,259.99
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Solution
The fourth proportional to 191,963.49, 287,354.59 and 125,259.99 is: 187,504.57
Step by Step Solution
- Step 1: Write the proportion equation
191,963.49 : 287,354.59 = 125,259.99 : x - Step 2: Convert to fraction form
191,963.49/287,354.59 = 125,259.99/x - Step 3: Cross multiply
191,963.49x = 287,354.59 × 125,259.99 - Step 4: Simplify right side
191,963.49x = 35,994,031,679.12 - Step 5: Solve for x
x = 35,994,031,679.12/191,963.49 - Step 6: Final answer
x = 187,504.57
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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.