Finding the Fourth Proportional to 553,187.79, 829,357.94 and 173,889.09
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Solution
The fourth proportional to 553,187.79, 829,357.94 and 173,889.09 is: 260,700.43
Step by Step Solution
- Step 1: Write the proportion equation
553,187.79 : 829,357.94 = 173,889.09 : x - Step 2: Convert to fraction form
553,187.79/829,357.94 = 173,889.09/x - Step 3: Cross multiply
553,187.79x = 829,357.94 × 173,889.09 - Step 4: Simplify right side
553,187.79x = 144,216,296,601.43 - Step 5: Solve for x
x = 144,216,296,601.43/553,187.79 - Step 6: Final answer
x = 260,700.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.