Finding the Fourth Proportional to 369,304.91, 553,957.50 and 285,188.03
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Solution
The fourth proportional to 369,304.91, 553,957.50 and 285,188.03 is: 427,782.15
Step by Step Solution
- Step 1: Write the proportion equation
369,304.91 : 553,957.50 = 285,188.03 : x - Step 2: Convert to fraction form
369,304.91/553,957.50 = 285,188.03/x - Step 3: Cross multiply
369,304.91x = 553,957.50 × 285,188.03 - Step 4: Simplify right side
369,304.91x = 157,982,045,358.94 - Step 5: Solve for x
x = 157,982,045,358.94/369,304.91 - Step 6: Final answer
x = 427,782.15
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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.