Finding the Fourth Proportional to 145,463.19, 218,192.59 and 65,444.65
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Solution
The fourth proportional to 145,463.19, 218,192.59 and 65,444.65 is: 98,165.99
Step by Step Solution
- Step 1: Write the proportion equation
145,463.19 : 218,192.59 = 65,444.65 : x - Step 2: Convert to fraction form
145,463.19/218,192.59 = 65,444.65/x - Step 3: Cross multiply
145,463.19x = 218,192.59 × 65,444.65 - Step 4: Simplify right side
145,463.19x = 14,279,537,685.14 - Step 5: Solve for x
x = 14,279,537,685.14/145,463.19 - Step 6: Final answer
x = 98,165.99
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1.5x scale
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.