Finding the Fourth Proportional to 448,215.93, 618,537.99 and 247,011.93
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Solution
The fourth proportional to 448,215.93, 618,537.99 and 247,011.93 is: 340,876.47
Step by Step Solution
- Step 1: Write the proportion equation
448,215.93 : 618,537.99 = 247,011.93 : x - Step 2: Convert to fraction form
448,215.93/618,537.99 = 247,011.93/x - Step 3: Cross multiply
448,215.93x = 618,537.99 × 247,011.93 - Step 4: Simplify right side
448,215.93x = 152,786,262,688.22 - Step 5: Solve for x
x = 152,786,262,688.22/448,215.93 - Step 6: Final answer
x = 340,876.47
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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.