Finding the Fourth Proportional to 817,750.79, 1,226,625.90 and 218,696.38
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Solution
The fourth proportional to 817,750.79, 1,226,625.90 and 218,696.38 is: 328,044.49
Step by Step Solution
- Step 1: Write the proportion equation
817,750.79 : 1,226,625.90 = 218,696.38 : x - Step 2: Convert to fraction form
817,750.79/1,226,625.90 = 218,696.38/x - Step 3: Cross multiply
817,750.79x = 1,226,625.90 × 218,696.38 - Step 4: Simplify right side
817,750.79x = 268,258,642,850.76 - Step 5: Solve for x
x = 268,258,642,850.76/817,750.79 - Step 6: Final answer
x = 328,044.49
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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.