Finding the Fourth Proportional to 176,291.76, 243,258.13 and 103,697.94
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Solution
The fourth proportional to 176,291.76, 243,258.13 and 103,697.94 is: 143,088.75
Step by Step Solution
- Step 1: Write the proportion equation
176,291.76 : 243,258.13 = 103,697.94 : x - Step 2: Convert to fraction form
176,291.76/243,258.13 = 103,697.94/x - Step 3: Cross multiply
176,291.76x = 243,258.13 × 103,697.94 - Step 4: Simplify right side
176,291.76x = 25,225,366,969.25 - Step 5: Solve for x
x = 25,225,366,969.25/176,291.76 - Step 6: Final answer
x = 143,088.75
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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.