Finding the Fourth Proportional to 154,789.02, 213,646.95 and 94,392.99
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Solution
The fourth proportional to 154,789.02, 213,646.95 and 94,392.99 is: 130,285.56
Step by Step Solution
- Step 1: Write the proportion equation
154,789.02 : 213,646.95 = 94,392.99 : x - Step 2: Convert to fraction form
154,789.02/213,646.95 = 94,392.99/x - Step 3: Cross multiply
154,789.02x = 213,646.95 × 94,392.99 - Step 4: Simplify right side
154,789.02x = 20,166,774,414.88 - Step 5: Solve for x
x = 20,166,774,414.88/154,789.02 - Step 6: Final answer
x = 130,285.56
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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.