Finding the Fourth Proportional to 153,251.91, 211,482.33 and 84,334.95
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Solution
The fourth proportional to 153,251.91, 211,482.33 and 84,334.95 is: 116,379.31
Step by Step Solution
- Step 1: Write the proportion equation
153,251.91 : 211,482.33 = 84,334.95 : x - Step 2: Convert to fraction form
153,251.91/211,482.33 = 84,334.95/x - Step 3: Cross multiply
153,251.91x = 211,482.33 × 84,334.95 - Step 4: Simplify right side
153,251.91x = 17,835,351,726.43 - Step 5: Solve for x
x = 17,835,351,726.43/153,251.91 - Step 6: Final answer
x = 116,379.31
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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.