Finding the Fourth Proportional to 148,457.36, 204,866.92 and 84,793.84
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Solution
The fourth proportional to 148,457.36, 204,866.92 and 84,793.84 is: 117,013.08
Step by Step Solution
- Step 1: Write the proportion equation
148,457.36 : 204,866.92 = 84,793.84 : x - Step 2: Convert to fraction form
148,457.36/204,866.92 = 84,793.84/x - Step 3: Cross multiply
148,457.36x = 204,866.92 × 84,793.84 - Step 4: Simplify right side
148,457.36x = 17,371,452,835.77 - Step 5: Solve for x
x = 17,371,452,835.77/148,457.36 - Step 6: Final answer
x = 117,013.08
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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.