Finding the Fourth Proportional to 145,023.36, 217,558.08 and 61,918.08
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Solution
The fourth proportional to 145,023.36, 217,558.08 and 61,918.08 is: 92,886.96
Step by Step Solution
- Step 1: Write the proportion equation
145,023.36 : 217,558.08 = 61,918.08 : x - Step 2: Convert to fraction form
145,023.36/217,558.08 = 61,918.08/x - Step 3: Cross multiply
145,023.36x = 217,558.08 × 61,918.08 - Step 4: Simplify right side
145,023.36x = 13,470,778,602.09 - Step 5: Solve for x
x = 13,470,778,602.09/145,023.36 - Step 6: Final answer
x = 92,886.96
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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.