Finding the Fourth Proportional to 445,083.75, 614,215.58 and 243,875.43
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Solution
The fourth proportional to 445,083.75, 614,215.58 and 243,875.43 is: 336,548.09
Step by Step Solution
- Step 1: Write the proportion equation
445,083.75 : 614,215.58 = 243,875.43 : x - Step 2: Convert to fraction form
445,083.75/614,215.58 = 243,875.43/x - Step 3: Cross multiply
445,083.75x = 614,215.58 × 243,875.43 - Step 4: Simplify right side
445,083.75x = 149,792,087,465.82 - Step 5: Solve for x
x = 149,792,087,465.82/445,083.75 - Step 6: Final answer
x = 336,548.09
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1.5x scale
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.