Finding the Fourth Proportional to 342,319.36, 513,051.36 and 164,778.88
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Solution
The fourth proportional to 342,319.36, 513,051.36 and 164,778.88 is: 246,962.45
Step by Step Solution
- Step 1: Write the proportion equation
342,319.36 : 513,051.36 = 164,778.88 : x - Step 2: Convert to fraction form
342,319.36/513,051.36 = 164,778.88/x - Step 3: Cross multiply
342,319.36x = 513,051.36 × 164,778.88 - Step 4: Simplify right side
342,319.36x = 84,540,028,483.28 - Step 5: Solve for x
x = 84,540,028,483.28/342,319.36 - Step 6: Final answer
x = 246,962.45
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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.