Finding the Fourth Proportional to 165,781.26, 248,688.18 and 65,919.06
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Solution
The fourth proportional to 165,781.26, 248,688.18 and 65,919.06 is: 98,885.07
Step by Step Solution
- Step 1: Write the proportion equation
165,781.26 : 248,688.18 = 65,919.06 : x - Step 2: Convert to fraction form
165,781.26/248,688.18 = 65,919.06/x - Step 3: Cross multiply
165,781.26x = 248,688.18 × 65,919.06 - Step 4: Simplify right side
165,781.26x = 16,393,291,058.71 - Step 5: Solve for x
x = 16,393,291,058.71/165,781.26 - Step 6: Final answer
x = 98,885.07
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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.