Finding the Fourth Proportional to 399,598.18, 551,603.30 and 246,698.19
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Solution
The fourth proportional to 399,598.18, 551,603.30 and 246,698.19 is: 340,540.93
Step by Step Solution
- Step 1: Write the proportion equation
399,598.18 : 551,603.30 = 246,698.19 : x - Step 2: Convert to fraction form
399,598.18/551,603.30 = 246,698.19/x - Step 3: Cross multiply
399,598.18x = 551,603.30 × 246,698.19 - Step 4: Simplify right side
399,598.18x = 136,079,534,474.54 - Step 5: Solve for x
x = 136,079,534,474.54/399,598.18 - Step 6: Final answer
x = 340,540.93
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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.