Finding the Fourth Proportional to 258,484.48, 356,727.36 and 157,901.44
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Solution
The fourth proportional to 258,484.48, 356,727.36 and 157,901.44 is: 217,915.46
Step by Step Solution
- Step 1: Write the proportion equation
258,484.48 : 356,727.36 = 157,901.44 : x - Step 2: Convert to fraction form
258,484.48/356,727.36 = 157,901.44/x - Step 3: Cross multiply
258,484.48x = 356,727.36 × 157,901.44 - Step 4: Simplify right side
258,484.48x = 56,327,763,831.40 - Step 5: Solve for x
x = 56,327,763,831.40/258,484.48 - Step 6: Final answer
x = 217,915.46
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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.