Finding the Fourth Proportional to 581,204.39, 802,126.94 and 351,887.99
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Solution
The fourth proportional to 581,204.39, 802,126.94 and 351,887.99 is: 485,644.70
Step by Step Solution
- Step 1: Write the proportion equation
581,204.39 : 802,126.94 = 351,887.99 : x - Step 2: Convert to fraction form
581,204.39/802,126.94 = 351,887.99/x - Step 3: Cross multiply
581,204.39x = 802,126.94 × 351,887.99 - Step 4: Simplify right side
581,204.39x = 282,258,830,871.38 - Step 5: Solve for x
x = 282,258,830,871.38/581,204.39 - Step 6: Final answer
x = 485,644.70
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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.