Finding the Fourth Proportional to 98,802.28, 136,360.02 and 56,369.08
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Solution
The fourth proportional to 98,802.28, 136,360.02 and 56,369.08 is: 77,796.68
Step by Step Solution
- Step 1: Write the proportion equation
98,802.28 : 136,360.02 = 56,369.08 : x - Step 2: Convert to fraction form
98,802.28/136,360.02 = 56,369.08/x - Step 3: Cross multiply
98,802.28x = 136,360.02 × 56,369.08 - Step 4: Simplify right side
98,802.28x = 7,686,488,876.18 - Step 5: Solve for x
x = 7,686,488,876.18/98,802.28 - Step 6: Final answer
x = 77,796.68
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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.