Finding the Fourth Proportional to 471,789.99, 651,097.50 and 355,294.89
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Solution
The fourth proportional to 471,789.99, 651,097.50 and 355,294.89 is: 490,327.52
Step by Step Solution
- Step 1: Write the proportion equation
471,789.99 : 651,097.50 = 355,294.89 : x - Step 2: Convert to fraction form
471,789.99/651,097.50 = 355,294.89/x - Step 3: Cross multiply
471,789.99x = 651,097.50 × 355,294.89 - Step 4: Simplify right side
471,789.99x = 231,331,614,641.78 - Step 5: Solve for x
x = 231,331,614,641.78/471,789.99 - Step 6: Final answer
x = 490,327.52
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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.