Finding the Fourth Proportional to 571,235.36, 788,299.88 and 313,126.65
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Solution
The fourth proportional to 571,235.36, 788,299.88 and 313,126.65 is: 432,112.08
Step by Step Solution
- Step 1: Write the proportion equation
571,235.36 : 788,299.88 = 313,126.65 : x - Step 2: Convert to fraction form
571,235.36/788,299.88 = 313,126.65/x - Step 3: Cross multiply
571,235.36x = 788,299.88 × 313,126.65 - Step 4: Simplify right side
571,235.36x = 246,837,699,054.17 - Step 5: Solve for x
x = 246,837,699,054.17/571,235.36 - Step 6: Final answer
x = 432,112.08
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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.