Finding the Fourth Proportional to 457,187.52, 631,226.99 and 285,367.17
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Solution
The fourth proportional to 457,187.52, 631,226.99 and 285,367.17 is: 393,999.07
Step by Step Solution
- Step 1: Write the proportion equation
457,187.52 : 631,226.99 = 285,367.17 : x - Step 2: Convert to fraction form
457,187.52/631,226.99 = 285,367.17/x - Step 3: Cross multiply
457,187.52x = 631,226.99 × 285,367.17 - Step 4: Simplify right side
457,187.52x = 180,131,458,337.08 - Step 5: Solve for x
x = 180,131,458,337.08/457,187.52 - Step 6: Final answer
x = 393,999.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.