Finding the Fourth Proportional to 197,362.17, 272,359.98 and 106,718.09
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Solution
The fourth proportional to 197,362.17, 272,359.98 and 106,718.09 is: 147,271.06
Step by Step Solution
- Step 1: Write the proportion equation
197,362.17 : 272,359.98 = 106,718.09 : x - Step 2: Convert to fraction form
197,362.17/272,359.98 = 106,718.09/x - Step 3: Cross multiply
197,362.17x = 272,359.98 × 106,718.09 - Step 4: Simplify right side
197,362.17x = 29,065,735,496.24 - Step 5: Solve for x
x = 29,065,735,496.24/197,362.17 - Step 6: Final answer
x = 147,271.06
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1.5x scale
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.