Finding the Fourth Proportional to 319,477.08, 440,879.60 and 176,235.06
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Solution
The fourth proportional to 319,477.08, 440,879.60 and 176,235.06 is: 243,205.06
Step by Step Solution
- Step 1: Write the proportion equation
319,477.08 : 440,879.60 = 176,235.06 : x - Step 2: Convert to fraction form
319,477.08/440,879.60 = 176,235.06/x - Step 3: Cross multiply
319,477.08x = 440,879.60 × 176,235.06 - Step 4: Simplify right side
319,477.08x = 77,698,442,758.78 - Step 5: Solve for x
x = 77,698,442,758.78/319,477.08 - Step 6: Final answer
x = 243,205.06
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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.