Finding the Fourth Proportional to 153,267.49, 229,898.55 and 68,967.99
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Solution
The fourth proportional to 153,267.49, 229,898.55 and 68,967.99 is: 103,450.78
Step by Step Solution
- Step 1: Write the proportion equation
153,267.49 : 229,898.55 = 68,967.99 : x - Step 2: Convert to fraction form
153,267.49/229,898.55 = 68,967.99/x - Step 3: Cross multiply
153,267.49x = 229,898.55 × 68,967.99 - Step 4: Simplify right side
153,267.49x = 15,855,641,156.04 - Step 5: Solve for x
x = 15,855,641,156.04/153,267.49 - Step 6: Final answer
x = 103,450.78
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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.