Finding the Fourth Proportional to 571,211.36, 788,266.77 and 313,102.64
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Solution
The fourth proportional to 571,211.36, 788,266.77 and 313,102.64 is: 432,078.95
Step by Step Solution
- Step 1: Write the proportion equation
571,211.36 : 788,266.77 = 313,102.64 : x - Step 2: Convert to fraction form
571,211.36/788,266.77 = 313,102.64/x - Step 3: Cross multiply
571,211.36x = 788,266.77 × 313,102.64 - Step 4: Simplify right side
571,211.36x = 246,808,402,769.94 - Step 5: Solve for x
x = 246,808,402,769.94/571,211.36 - Step 6: Final answer
x = 432,078.95
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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.