Finding the Fourth Proportional to 148,705.36, 205,199.76 and 88,265.68
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Solution
The fourth proportional to 148,705.36, 205,199.76 and 88,265.68 is: 121,798.54
Step by Step Solution
- Step 1: Write the proportion equation
148,705.36 : 205,199.76 = 88,265.68 : x - Step 2: Convert to fraction form
148,705.36/205,199.76 = 88,265.68/x - Step 3: Cross multiply
148,705.36x = 205,199.76 × 88,265.68 - Step 4: Simplify right side
148,705.36x = 18,112,096,352.24 - Step 5: Solve for x
x = 18,112,096,352.24/148,705.36 - Step 6: Final answer
x = 121,798.54
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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.