Finding the Fourth Proportional to 215,802.12, 297,800.40 and 119,005.99
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Solution
The fourth proportional to 215,802.12, 297,800.40 and 119,005.99 is: 164,224.67
Step by Step Solution
- Step 1: Write the proportion equation
215,802.12 : 297,800.40 = 119,005.99 : x - Step 2: Convert to fraction form
215,802.12/297,800.40 = 119,005.99/x - Step 3: Cross multiply
215,802.12x = 297,800.40 × 119,005.99 - Step 4: Simplify right side
215,802.12x = 35,440,031,424.40 - Step 5: Solve for x
x = 35,440,031,424.40/215,802.12 - Step 6: Final answer
x = 164,224.67
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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.