Finding the Fourth Proportional to 199,929.62, 299,746.28 and 121,025.18
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Solution
The fourth proportional to 199,929.62, 299,746.28 and 121,025.18 is: 181,448.09
Step by Step Solution
- Step 1: Write the proportion equation
199,929.62 : 299,746.28 = 121,025.18 : x - Step 2: Convert to fraction form
199,929.62/299,746.28 = 121,025.18/x - Step 3: Cross multiply
199,929.62x = 299,746.28 × 121,025.18 - Step 4: Simplify right side
199,929.62x = 36,276,847,491.33 - Step 5: Solve for x
x = 36,276,847,491.33/199,929.62 - Step 6: Final answer
x = 181,448.09
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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.