Finding the Fourth Proportional to 98,396.04, 147,637.26 and 51,637.98
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Solution
The fourth proportional to 98,396.04, 147,637.26 and 51,637.98 is: 77,479.64
Step by Step Solution
- Step 1: Write the proportion equation
98,396.04 : 147,637.26 = 51,637.98 : x - Step 2: Convert to fraction form
98,396.04/147,637.26 = 51,637.98/x - Step 3: Cross multiply
98,396.04x = 147,637.26 × 51,637.98 - Step 4: Simplify right side
98,396.04x = 7,623,689,879.13 - Step 5: Solve for x
x = 7,623,689,879.13/98,396.04 - Step 6: Final answer
x = 77,479.64
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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.