Finding the Fourth Proportional to 187,515.99, 258,762.13 and 102,616.65
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Solution
The fourth proportional to 187,515.99, 258,762.13 and 102,616.65 is: 141,605.54
Step by Step Solution
- Step 1: Write the proportion equation
187,515.99 : 258,762.13 = 102,616.65 : x - Step 2: Convert to fraction form
187,515.99/258,762.13 = 102,616.65/x - Step 3: Cross multiply
187,515.99x = 258,762.13 × 102,616.65 - Step 4: Simplify right side
187,515.99x = 26,553,302,927.46 - Step 5: Solve for x
x = 26,553,302,927.46/187,515.99 - Step 6: Final answer
x = 141,605.54
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1.5x scale
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.