Finding the Fourth Proportional to 148,174.24, 204,478.36 and 84,513.12
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Solution
The fourth proportional to 148,174.24, 204,478.36 and 84,513.12 is: 116,626.91
Step by Step Solution
- Step 1: Write the proportion equation
148,174.24 : 204,478.36 = 84,513.12 : x - Step 2: Convert to fraction form
148,174.24/204,478.36 = 84,513.12/x - Step 3: Cross multiply
148,174.24x = 204,478.36 × 84,513.12 - Step 4: Simplify right side
148,174.24x = 17,281,104,176.08 - Step 5: Solve for x
x = 17,281,104,176.08/148,174.24 - Step 6: Final answer
x = 116,626.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.