Finding the Fourth Proportional to 272,693.62, 376,332.70 and 163,831.26
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Solution
The fourth proportional to 272,693.62, 376,332.70 and 163,831.26 is: 226,096.45
Step by Step Solution
- Step 1: Write the proportion equation
272,693.62 : 376,332.70 = 163,831.26 : x - Step 2: Convert to fraction form
272,693.62/376,332.70 = 163,831.26/x - Step 3: Cross multiply
272,693.62x = 376,332.70 × 163,831.26 - Step 4: Simplify right side
272,693.62x = 61,655,060,420.20 - Step 5: Solve for x
x = 61,655,060,420.20/272,693.62 - Step 6: Final answer
x = 226,096.45
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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.