Finding the Fourth Proportional to 145,119.36, 217,594.49 and 56,269.08
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Solution
The fourth proportional to 145,119.36, 217,594.49 and 56,269.08 is: 84,370.83
Step by Step Solution
- Step 1: Write the proportion equation
145,119.36 : 217,594.49 = 56,269.08 : x - Step 2: Convert to fraction form
145,119.36/217,594.49 = 56,269.08/x - Step 3: Cross multiply
145,119.36x = 217,594.49 × 56,269.08 - Step 4: Simplify right side
145,119.36x = 12,243,841,484.02 - Step 5: Solve for x
x = 12,243,841,484.02/145,119.36 - Step 6: Final answer
x = 84,370.83
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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.