Finding the Fourth Proportional to 165,788.18, 248,721.12 and 65,954.06
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Solution
The fourth proportional to 165,788.18, 248,721.12 and 65,954.06 is: 98,946.55
Step by Step Solution
- Step 1: Write the proportion equation
165,788.18 : 248,721.12 = 65,954.06 : x - Step 2: Convert to fraction form
165,788.18/248,721.12 = 65,954.06/x - Step 3: Cross multiply
165,788.18x = 248,721.12 × 65,954.06 - Step 4: Simplify right side
165,788.18x = 16,404,167,671.75 - Step 5: Solve for x
x = 16,404,167,671.75/165,788.18 - Step 6: Final answer
x = 98,946.55
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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.