Finding the Fourth Proportional to 165,303.62, 247,971.86 and 65,532.68
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Solution
The fourth proportional to 165,303.62, 247,971.86 and 65,532.68 is: 98,305.53
Step by Step Solution
- Step 1: Write the proportion equation
165,303.62 : 247,971.86 = 65,532.68 : x - Step 2: Convert to fraction form
165,303.62/247,971.86 = 65,532.68/x - Step 3: Cross multiply
165,303.62x = 247,971.86 × 65,532.68 - Step 4: Simplify right side
165,303.62x = 16,250,260,550.38 - Step 5: Solve for x
x = 16,250,260,550.38/165,303.62 - Step 6: Final answer
x = 98,305.53
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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.