Finding the Fourth Proportional to 319,840.72, 480,051.27 and 170,206.99
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Solution
The fourth proportional to 319,840.72, 480,051.27 and 170,206.99 is: 255,464.91
Step by Step Solution
- Step 1: Write the proportion equation
319,840.72 : 480,051.27 = 170,206.99 : x - Step 2: Convert to fraction form
319,840.72/480,051.27 = 170,206.99/x - Step 3: Cross multiply
319,840.72x = 480,051.27 × 170,206.99 - Step 4: Simplify right side
319,840.72x = 81,708,081,712.38 - Step 5: Solve for x
x = 81,708,081,712.38/319,840.72 - Step 6: Final answer
x = 255,464.91
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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.