Finding the Fourth Proportional to 219,369.12, 302,730.68 and 118,767.12
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Solution
The fourth proportional to 219,369.12, 302,730.68 and 118,767.12 is: 163,899.33
Step by Step Solution
- Step 1: Write the proportion equation
219,369.12 : 302,730.68 = 118,767.12 : x - Step 2: Convert to fraction form
219,369.12/302,730.68 = 118,767.12/x - Step 3: Cross multiply
219,369.12x = 302,730.68 × 118,767.12 - Step 4: Simplify right side
219,369.12x = 35,954,450,999.24 - Step 5: Solve for x
x = 35,954,450,999.24/219,369.12 - Step 6: Final answer
x = 163,899.33
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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.