Finding the Fourth Proportional to 221,005.10, 330,730.05 and 202,342.70
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Solution
The fourth proportional to 221,005.10, 330,730.05 and 202,342.70 is: 302,802.11
Step by Step Solution
- Step 1: Write the proportion equation
221,005.10 : 330,730.05 = 202,342.70 : x - Step 2: Convert to fraction form
221,005.10/330,730.05 = 202,342.70/x - Step 3: Cross multiply
221,005.10x = 330,730.05 × 202,342.70 - Step 4: Simplify right side
221,005.10x = 66,920,811,288.14 - Step 5: Solve for x
x = 66,920,811,288.14/221,005.10 - Step 6: Final answer
x = 302,802.11
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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.