Finding the Fourth Proportional to 153,064.87, 211,246.61 and 92,668.79
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Solution
The fourth proportional to 153,064.87, 211,246.61 and 92,668.79 is: 127,893.28
Step by Step Solution
- Step 1: Write the proportion equation
153,064.87 : 211,246.61 = 92,668.79 : x - Step 2: Convert to fraction form
153,064.87/211,246.61 = 92,668.79/x - Step 3: Cross multiply
153,064.87x = 211,246.61 × 92,668.79 - Step 4: Simplify right side
153,064.87x = 19,575,967,805.07 - Step 5: Solve for x
x = 19,575,967,805.07/153,064.87 - Step 6: Final answer
x = 127,893.28
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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.