Finding the Fourth Proportional to 175,026.30, 262,078.65 and 128,024.70
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Solution
The fourth proportional to 175,026.30, 262,078.65 and 128,024.70 is: 191,699.99
Step by Step Solution
- Step 1: Write the proportion equation
175,026.30 : 262,078.65 = 128,024.70 : x - Step 2: Convert to fraction form
175,026.30/262,078.65 = 128,024.70/x - Step 3: Cross multiply
175,026.30x = 262,078.65 × 128,024.70 - Step 4: Simplify right side
175,026.30x = 33,552,540,542.66 - Step 5: Solve for x
x = 33,552,540,542.66/175,026.30 - Step 6: Final answer
x = 191,699.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.