Finding the Fourth Proportional to 193,437.06, 266,954.99 and 108,554.13
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Solution
The fourth proportional to 193,437.06, 266,954.99 and 108,554.13 is: 149,811.35
Step by Step Solution
- Step 1: Write the proportion equation
193,437.06 : 266,954.99 = 108,554.13 : x - Step 2: Convert to fraction form
193,437.06/266,954.99 = 108,554.13/x - Step 3: Cross multiply
193,437.06x = 266,954.99 × 108,554.13 - Step 4: Simplify right side
193,437.06x = 28,979,066,688.61 - Step 5: Solve for x
x = 28,979,066,688.61/193,437.06 - Step 6: Final answer
x = 149,811.35
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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.