Finding the Fourth Proportional to 133,165.62, 199,746.81 and 39,664.08
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Solution
The fourth proportional to 133,165.62, 199,746.81 and 39,664.08 is: 59,495.64
Step by Step Solution
- Step 1: Write the proportion equation
133,165.62 : 199,746.81 = 39,664.08 : x - Step 2: Convert to fraction form
133,165.62/199,746.81 = 39,664.08/x - Step 3: Cross multiply
133,165.62x = 199,746.81 × 39,664.08 - Step 4: Simplify right side
133,165.62x = 7,922,773,451.58 - Step 5: Solve for x
x = 7,922,773,451.58/133,165.62 - Step 6: Final answer
x = 59,495.64
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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.