Finding the Fourth Proportional to 438,911.95, 605,747.79 and 247,937.63
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Solution
The fourth proportional to 438,911.95, 605,747.79 and 247,937.63 is: 342,181.78
Step by Step Solution
- Step 1: Write the proportion equation
438,911.95 : 605,747.79 = 247,937.63 : x - Step 2: Convert to fraction form
438,911.95/605,747.79 = 247,937.63/x - Step 3: Cross multiply
438,911.95x = 605,747.79 × 247,937.63 - Step 4: Simplify right side
438,911.95x = 150,187,671,430.34 - Step 5: Solve for x
x = 150,187,671,430.34/438,911.95 - Step 6: Final answer
x = 342,181.78
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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.