Finding the Fourth Proportional to 451,699.81, 623,348.81 and 247,752.19
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Solution
The fourth proportional to 451,699.81, 623,348.81 and 247,752.19 is: 341,899.70
Step by Step Solution
- Step 1: Write the proportion equation
451,699.81 : 623,348.81 = 247,752.19 : x - Step 2: Convert to fraction form
451,699.81/623,348.81 = 247,752.19/x - Step 3: Cross multiply
451,699.81x = 623,348.81 × 247,752.19 - Step 4: Simplify right side
451,699.81x = 154,436,031,572.63 - Step 5: Solve for x
x = 154,436,031,572.63/451,699.81 - Step 6: Final answer
x = 341,899.70
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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.