Finding the Fourth Proportional to 332,237.80, 498,356.70 and 319,115.80
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Solution
The fourth proportional to 332,237.80, 498,356.70 and 319,115.80 is: 478,673.70
Step by Step Solution
- Step 1: Write the proportion equation
332,237.80 : 498,356.70 = 319,115.80 : x - Step 2: Convert to fraction form
332,237.80/498,356.70 = 319,115.80/x - Step 3: Cross multiply
332,237.80x = 498,356.70 × 319,115.80 - Step 4: Simplify right side
332,237.80x = 159,033,497,005.86 - Step 5: Solve for x
x = 159,033,497,005.86/332,237.80 - Step 6: Final answer
x = 478,673.70
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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.