Finding the Fourth Proportional to 369,356.67, 553,838.09 and 191,684.79
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Solution
The fourth proportional to 369,356.67, 553,838.09 and 191,684.79 is: 287,424.99
Step by Step Solution
- Step 1: Write the proportion equation
369,356.67 : 553,838.09 = 191,684.79 : x - Step 2: Convert to fraction form
369,356.67/553,838.09 = 191,684.79/x - Step 3: Cross multiply
369,356.67x = 553,838.09 × 191,684.79 - Step 4: Simplify right side
369,356.67x = 106,162,337,017.23 - Step 5: Solve for x
x = 106,162,337,017.23/369,356.67 - Step 6: Final answer
x = 287,424.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.