Finding the Fourth Proportional to 186,308.12, 257,097.14 and 101,425.48
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Solution
The fourth proportional to 186,308.12, 257,097.14 and 101,425.48 is: 139,962.77
Step by Step Solution
- Step 1: Write the proportion equation
186,308.12 : 257,097.14 = 101,425.48 : x - Step 2: Convert to fraction form
186,308.12/257,097.14 = 101,425.48/x - Step 3: Cross multiply
186,308.12x = 257,097.14 × 101,425.48 - Step 4: Simplify right side
186,308.12x = 26,076,200,831.13 - Step 5: Solve for x
x = 26,076,200,831.13/186,308.12 - Step 6: Final answer
x = 139,962.77
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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.