Finding the Fourth Proportional to 234,657.84, 351,831.28 and 84,878.42
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Solution
The fourth proportional to 234,657.84, 351,831.28 and 84,878.42 is: 127,261.39
Step by Step Solution
- Step 1: Write the proportion equation
234,657.84 : 351,831.28 = 84,878.42 : x - Step 2: Convert to fraction form
234,657.84/351,831.28 = 84,878.42/x - Step 3: Cross multiply
234,657.84x = 351,831.28 × 84,878.42 - Step 4: Simplify right side
234,657.84x = 29,862,883,152.98 - Step 5: Solve for x
x = 29,862,883,152.98/234,657.84 - Step 6: Final answer
x = 127,261.39
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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.