Finding the Fourth Proportional to 623,696.98, 935,660.86 and 197,340.12
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Solution
The fourth proportional to 623,696.98, 935,660.86 and 197,340.12 is: 296,046.70
Step by Step Solution
- Step 1: Write the proportion equation
623,696.98 : 935,660.86 = 197,340.12 : x - Step 2: Convert to fraction form
623,696.98/935,660.86 = 197,340.12/x - Step 3: Cross multiply
623,696.98x = 935,660.86 × 197,340.12 - Step 4: Simplify right side
623,696.98x = 184,643,428,252.39 - Step 5: Solve for x
x = 184,643,428,252.39/623,696.98 - Step 6: Final answer
x = 296,046.70
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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.