Finding the Fourth Proportional to 340,239.18, 510,400.52 and 115,636.62
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Solution
The fourth proportional to 340,239.18, 510,400.52 and 115,636.62 is: 173,469.12
Step by Step Solution
- Step 1: Write the proportion equation
340,239.18 : 510,400.52 = 115,636.62 : x - Step 2: Convert to fraction form
340,239.18/510,400.52 = 115,636.62/x - Step 3: Cross multiply
340,239.18x = 510,400.52 × 115,636.62 - Step 4: Simplify right side
340,239.18x = 59,020,990,979.04 - Step 5: Solve for x
x = 59,020,990,979.04/340,239.18 - Step 6: Final answer
x = 173,469.12
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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.